Heistermann, M., Ziegler, T., van Schaik, C. P., Launhardt, K., Winkler, P., & Hodges, J. K. (2001). Loss of oestrus, concealed ovulation and paternity confusion in free-ranging Hanuman langurs.

Heistermann, M., T. Ziegler, C P. van Schaik, K. Launhardt, P. Winkler, und J K. Hodges. Loss of Oestrus, Concealed Ovulation and Paternity Confusion in Free-ranging Hanuman Langurs. 2001.

Heistermann, M., et al. Loss of Oestrus, Concealed Ovulation and Paternity Confusion in Free-ranging Hanuman Langurs. 2001.