| 000 | 00369nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 180611s9999||||xx |||||||||||||| ||und|| | ||
| 020 | _a0-273-08481-x | ||
| 041 | _aen | ||
| 082 | _a631.558 | ||
| 100 | _aHURD, R. G. | ||
| 245 | 0 | _aOpportunities for Increasing Crop Yields | |
| 260 |
_aLondon _bPitman Advanced Pub Programme _c1980 |
||
| 300 | _axi, 410p. | ||
| 942 | _cLL | ||
| 999 |
_c2149 _d2149 |
||