Belschner, H. G.
Pig diseases / H.G. Belschner. - 3rd rev. ed. - London : Angus & Robertson, 1976. - 257 p. : ill. - Agricultural and livestock series .
0207125740
Swine--Diseases.
Pig diseases / H.G. Belschner. - 3rd rev. ed. - London : Angus & Robertson, 1976. - 257 p. : ill. - Agricultural and livestock series .
0207125740
Swine--Diseases.