| 000 | 00429 am a2200121 a 4500 | ||
|---|---|---|---|
| 245 | 1 |
_aBack crossing _bthe theory and practice of the backcross method in the breeding of some non-ceral crops |
|
| 260 |
_aCambridge _bC.A.B. _c1952 |
||
| 300 | _a1-136 p. | ||
| 100 | 1 | _aThoms, Mary | |
| 942 |
_2udc _cB |
||
| 440 | _aCrops, Cereal Commomwealth Bureau of Plant Breeding and Genetics. Technical Communication No. 16 | ||
| 901 | _aS75184 | ||
| 999 |
_c101662 _d101662 |
||