Wislocki, George Bernays, 1892- ... The placentation of Procavia capensis, with a discussion of the placental affinities of the Hyracoidea, by G. B. Wislocki and 0. P. van der Westhuysen... with seven plates and one graph... (In Carnegie institution of Washington. Contributions to embryology. Washington, 1940. 29x 23 cm. vol. XXVIII, [65]-88, [2] p. 7 pl., diagri) (Continua en la ficha 2)