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Author (up) Title Year Publication Serial Volume Pages
Keiper Rr, The Przewalski horse ecosystem: programs and progress 1986 Majumdaret al : Endangered and threatened species programs in Pensylvania and other States 1254
Keiper Rr, Population dynamics of feral ponies. 1979 Symposium on the Ecology and Behavior of wild and feral Equids 1252 175-184
Keiper Rr, Observations on the nocturnal behavior of feral ponies 1977 1251 51 57-58
Keiper Rr, Interactions between cattle egrets and feral ponies 1976 1249 50 89-90
Keiper Rr, B.J. Refuge – seeking and pest avoidance by feral horses in desert and island environments 1982 1257 9 111-120
Keiper Rr, K.M. Nocturnal activity patterns of feral ponies 1980 1259 61 116-118