Seminal and endocrine characteristics of male Pallas' cats (Otocolobus manul) maintained under artificial lighting with simulated natural photoperiodsv. 28187–199
Newell-Fugate, A., Kennedy-Stoskopf, S., Brown, Janine L., Levine, J. F., and Swanson, William F. 2007. "Seminal and endocrine characteristics of male Pallas' cats (Otocolobus manul) maintained under artificial lighting with simulated natural photoperiods." Zoo biology, 28 187–199.