| 000 | 00401nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 100 | _aJooste, J. de J. | ||
| 245 | _aProduction economics information, Transvaal Highveld, North-Western free state a | ||
| 260 | _aPretoria | ||
| 260 | _c1972 | ||
| 300 | _a15 p. | ||
| 440 | _aNo. 80; Africa S Department of | ||
| 901 | _pS29038 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c130699 _d130699 |
||