TY - SER AU - Teugels,Guy G. AU - Ozouf Costaz,C. AU - Legendre,MARC AU - Parrent,M. TI - A karyological analysis of the artificial hybridization between Clarias gariepinus - Burchell, 1822 - and Heterobranchus longifilis Valenciennes, 1840 - Pisces ; Clariidae - KW - Heterobranchus Longifilis N1 - Legandre, M.-ORSTOM, BP 5045, F-34032 Montpellier Cedex 1, France ER -