946
4799
Petersen, William Earl
2981-
Diary science; its principles and practice
Chicago
Lippincott
]1950[
viii, 695 p.: ill
"Reference reading": p. 676-686
"This text is a completely rewritten and reset volume, based on the author's earlier textbook, Diary science, copyright, copyright 1936 by J.B. Lippincott co."
by W.E. Petersen. Edited by R.W. Gregory
2nd ed.
، Dairying
، Cattle
SF
239
.
P43
1950
AU
AU Gregory, Raymond William 1893- ed.
TI
Medicine
CL
