1993-1998

Borries C (1993) Ecology of female social relationships - Hanuman langurs (Presbytis entellus) and the van Schaik model. Folia Primatol 61:21-30

Borries C (1997) Infanticide in seasonally breeding multimale groups of Hanuman langurs (Presbytis entellus) in Ramnagar (South Nepal). Behav Ecol Sociobiol 41:139-150

Borries C, Giri MK, Podzuweit D, Chalise MK (1993) Social flexibility in common langur monkeys (Presbytis entellus). Bull Nat Hist Soc Nepal 2:3-5

Borries C, Sommer V, Srivastava A (1994) Weaving a tight social net: Allogrooming in free-ranging female langurs (Presbytis entellus). Int J Primatol 15:421-443

Koenig A (1994) Random scan, sentinels or sentinel system? A study in captive common marmosets (Callithrix jacchus). In: Roeder JJ, Thierry B, Anderson JR, Herrenschmidt N (eds) Current primatology, Vol 2. Université Louis Pasteur, Strasbourg, pp 69-76

Koenig A (1995) Group size, composition, and reproductive success in wild common marmosets (Callithrix jacchus). Am J Primatol 35:311-317

Koenig A (1998) Visual scanning by common marmosets (Callithrix jacchus): Functional aspects and the special role of adult males. Primates 39:85-90

Koenig A, Beise J, Chalise MK, Ganzhorn J (1998) When females should contest for food – Testing hypotheses about resource density, distribution, size, and quality with Hanuman langurs (Presbytis entellus). Behav Ecol Sociobiol 42:225-237

Koenig A, Borries C, Chalise MK, Winkler P (1997) Ecology, nutrition and timing of reproductive events in an Asian primate, the Hanuman langur (Presbytis entellus). J Zool (Lond) 243:215-235

Koenig A, Rothe H (1998) Effects of familiarity on the behaviour towards intruders in captive common marmosets (Callithrix jacchus). Primates 35:89-93

Nikolei J, Borries C (1997) Sex differential behavior of immature Hanuman langurs (Presbytis entellus) in Ramnagar, South Nepal. Int J Primatol 18:415-437

Rothe H, Darms K, Koenig A, Radespiel U, Juenemann B (1993) Long-term study of infant-carrying behaviour in captive common marmosets, Callithrix jacchus: Effects of non-reproductive helpers on the parents' carrying performance. Int J Primatol 14:79-93

Rothe H, Koenig A, Darms K (1993) Infant survival and number of helpers in captive groups of common marmosets (Callithrix jacchus). Am J Primatol 30:131-137

Winkler P, Podzuweit D, Borries C (1993) Zur Toleranz gezwungen - oder warum Hanuman Languren nicht nur in Harems leben. In: Voland E (ed) Evolution und Anpassung. Warum die Vergangenheit die Gegenwart erklaert. S Hirzel, Stuttgart, pp 94-103

before 1993

Borries C (1988) Patterns of grandmaternal behaviour in free-ranging Hanuman langurs (Presbytis entellus). Hum Evol 3:239-260

Borries C (1992) Grooming site preferences in female langurs (Presbytis entellus). Int J Primatol 13:19-32

Borries C, Sommer V, Srivastava A (1991) Dominance, age, and reproductive success in free-ranging female Hanuman langurs (Presbytis entellus). Int J Primatol 12:231-257

Koenig A, Radespiel U, Siess M, Rothe H, Darms K (1990) Analysis of pairing-parturition- and interbirth-intervals in a colony of common marmosets (Callithrix jacchus). Z Saeugetierkde 55:308-314

Koenig A, Rothe H (1991) Infant-carrying in a polygynous group of the common marmoset (Callithrix jacchus). Am J Primatol 25:185-190

Koenig A, Rothe H (1991) Social relationships and individual contribution to cooperative behaviour in captive common marmosets (Callithrix jacchus). Primates 32:183-195

Koenig A, Rothe H, Darms K, Siess M, Radespiel U, Rock J (1987) [Formation of all-male groups of Callitrichidae.] Zool Garten NF 57:200-201 (German)

Koenig A, Rothe H, Radespiel U, Darms K, Bodemeyer J (1987) [Gnawing sticks for marmosets.] Z Koelner Zoo 30:107-108 (German)

Koenig A, Rothe H, Siess M, Darms K, Groeger D, Radespiel U, Rock J (1988) Reproductive reorganization in incomplete groups of the common marmoset (Callithrix jacchus) under laboratory conditions. Z Saeugetierkde 53:1-6

Koenig A, Siess M (1986) [Two cases of fatherless rearing of twins in Callithrix penicillata x jacchus and C. geoffroyi.] Zool Garten NF 56:438-440 (German)

Rothe H, Darms K, Koenig A (1992) Sex ratio and mortality in a laboratory colony of the common marmoset (Callithrix jacchus). Lab Animals 26:88-99

Rothe H, Koenig A (1987) [Polygynous behavior in a group of common marmoset monkeys (Callithrix jacchus).] Zool Garten NF 57:368-369 (German)

Rothe H, Koenig A (1991) Variability of social organization in captive common marmosets (Callithrix jacchus). Folia Primatol 57:28-33

Rothe H, Koenig A (1991) Sex ratio in newborn common marmosets (Callithrix jacchus): No indication for a functional germ cell chimerism. Z Saeugetierkde 56:318-320

Rothe H, Koenig A, Darms K, Siess M (1987) Analysis of litter size in a colony of the common marmoset (Callithrix jacchus). Z Saeugetierkde 52:227-235

Rothe H, Koenig A, Radespiel U, Darms K, Siess M (1988) Occurrence and frequency of twin-fight in the common marmoset (Callithrix jacchus). Z Saeugetierkde 53:325-332

Rothe H, Koenig A, Siess M, Radespiel U, Darms K (1987) [Integration of adult Callithrix jacchus males into incomplete groups.] Zool Garten NF 57:202-203 (German)

Sommer V, Srivastava A, Borries C (1992) Cycles, sexuality, and conception in free-ranging langurs (Presbytis entellus). Am J Primatol 28:1-27

Srivastava V, Borries C, Sommer V (1991) Homosexual mounting in free-ranging female Hanuman langurs (Presbytis entellus). Arch Sex Behav 20:487-512