Citation: Ew. Heymann, SEX-DIFFERENCES IN OLFACTORY COMMUNICATION IN A PRIMATE, THE MOUSTACHED TAMARIN, SAGUINUS-MYSTAX (CALLITRICHINAE), Behavioral ecology and sociobiology, 43(1), 1998, pp. 37-45
Citation: C. Knogge et al., SEED DISPERSAL OF ASPLUNDIA-PERUVIANA (CYCLANTHACEAE) BY THE PRIMATE SAGUINUS-FUSCICOLLIS, Journal of tropical ecology, 14, 1998, pp. 99-102
Citation: Ew. Heymann, THE RELATIONSHIP BETWEEN BODY-SIZE AND MIXED-SPECIES TROOPS OF TAMARINS (SAGUINUS SPP.), Folia primatologica, 68(3-5), 1997, pp. 287-295
Citation: Da. Nickle et Ew. Heymann, PREDATION ON ORTHOPTERA AND OTHER ORDERS OF INSECTS BY TAMARIN MONKEYS, SAGUINUS-MYSTAX MYSTAX AND SAGUINUS-FUSCICOLLIS NIGRIFRONS (PRIMATES, CALLITRICHIDAE), IN NORTH-EASTERN PERU, Journal of zoology, 239, 1996, pp. 799-819
Citation: Ew. Heymann, SOCIAL-BEHAVIOR OF WILD MOUSTACHED TAMARINS, SAGUINUS-MYSTAX, AT THE ESTACION-BIOLOGICA-QUEBRADA-BIANCO, PERUVIAN AMAZONIA, American journal of primatology, 38(1), 1996, pp. 101-113
Citation: Pm. Kappeler et Ew. Heymann, NONCONVERGENCE IN THE EVOLUTION OF PRIMATE LIFE-HISTORY AND SOCIO-ECOLOGY, Biological Journal of the Linnean Society, 59(3), 1996, pp. 297-326
Citation: Ew. Heymann, SLEEPING HABITS OF TAMARINS, SAGUINUS-MYSTAX AND SAGUINUS-FUSCICOLLIS(MAMMALIA, PRIMATES, CALLITRICHIDAE), IN NORTH-EASTERN PERA, Journal of zoology, 237, 1995, pp. 211-226
Citation: Ew. Heymann, URINE WASHING AND RELATED BEHAVIOR IN WILD MOUSTACHED TAMARINS, SAGUINUS-MYSTAX (CALLITRICHIDAE), Primates, 36(2), 1995, pp. 259-264
Citation: C. Knogge et Ew. Heymann, FIELD OBSERVATION OF TWINNING IN THE DUSKY TITI MONKEY, CALLICEBUS-CUPREUS, Folia primatologica, 65(2), 1995, pp. 118-120