| 000 | 00440nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 080 | _a581.132.03:582.264.44 | ||
| 100 | _aWesselius, J.C. | ||
| 245 | _aInfluence of external factors on the energy conversion and productivity of scene | ||
| 260 | _aWageningen | ||
| 260 | _c1973 | ||
| 300 | _a97 p. | ||
| 440 | _aNo. 73-6; Netherlands Mededeli | ||
| 901 | _pS22586 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c125446 _d125446 |
||