Esterilidad reproductiva e inseminación artificial en el ganado bovino / por Norberto Ras.

Buenos Aires : Editorial Guillermo Kraft, 1962.

618 pages, 28 unnumbered pages of plates : illustrations ; 24 cm

Edición castellana ampliada y actualizada.

Based on English ed. under title: Manual of infertility and artificial insemination in cattle by P. G. Millar and Norberto Ras

Includes bibliographic references and index