| 000 | 00362nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 100 | _aPenev, T. | ||
| 245 | _aGrain production in the people Republic of Bulgaria | ||
| 260 | _aSofia | ||
| 260 | _c1971 | ||
| 300 | _a66 p. | ||
| 440 | _aNo. 450; Bulgaria Academy of A | ||
| 901 | _pS20675 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c123882 _d123882 |
||