TY - GEN A1 - Senior, M. A1 - Tong, E. H. PB - Wiley-Blackwell M3 - Text VL - 140 CY - London PY - 1963 IS - 1 EP - 60 KW - Hippopotamus KW - Parturition T1 - Parturition in a Hippopotamus SP - 57 UR - http://www.rcin.org.pl/dlibra/publication/edition/37422 ER -