| 000 | 00838nam a2200229 a 4500 | ||
|---|---|---|---|
| 001 | 00577472 | ||
| 003 | PWmBRO | ||
| 005 | 20180324014338.0 | ||
| 008 | 950721s1981 xxua b eng | ||
| 020 | _a0865980373 | ||
| 245 | 0 | 0 | _aBiological control in crop production. |
| 260 |
_aTotowa, New Jersey : _bAllanheld, Osmun, _c1981. |
||
| 300 |
_a461 p. : _bill. |
||
| 440 | 0 | _aBeltsville symposia in agricultural research. | |
| 500 | _a"Invited papers presented at a symposium held May 18-21, 1980, at the Beltsville Agricultural Research Center (BARC), Beltsville, Maryland" | ||
| 650 | 0 | _aPlants, Protection of. | |
| 650 | 0 |
_aPests _xControl _xBiological control. |
|
| 700 | 1 | 0 |
_aPapavizas, George Constantine, _d1922- |
| 710 | 2 | 0 | _aBeltsville Agricultural Research Center. |
| 710 | 2 | 0 | _aBARC Symposium V Committee. |
| 942 | _2ddc | ||
| 999 |
_c42035 _d42035 |
||