机读格式显示(MARC)
- 000 00817nam 22002535a 45
- 008 691113s1969 dcua 000 0 eng
- 040 __ |a DLC |c DLC |d DLC
- 050 00 |a S21 |b .A74 no. 286
- 100 1_ |a Gregory, K. E. |q (Keith Edward), |d 1924-
- 245 10 |a Beef cattle breeding / |c by Keith E. Gregory.
- 260 __ |a [Washington : |b U.S. Agricultural Research Service, |c 1969]
- 300 __ |a iii, 55 p. : |b ill. ; |c 24 cm.
- 490 1_ |a United States. Dept. of Agriculture. Agriculture information bulletin ; |v no. 286
- 650 _0 |a Beef cattle |x Breeding.
- 830 _0 |a Agriculture information bulletin ; |v no. 286.
- 905 __ |a CAU |f 636.2/G822
- 907 __ |a CAU |f 636.2/G82