| 000 | 00319 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aKerr, W.E., Humphreys, J.R. | |
| 245 | 1 | _aLettuce seed production | |
| 260 | _aSalisbury | ||
| 300 | _a1-8 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aSeed, Production Federal Ministry of Agriculture. Bulletin No. 2176 | ||
| 901 | _aS7656 | ||
| 999 |
_c110228 _d110228 |
||