000 | 00384 am a2200121 a 4500 | ||
---|---|---|---|
100 | 1 | _aPschorn-Walcher, H. | |
245 | 1 | _aComparison of some dreyfusia (= adelges) infestations in eurasia and North America | |
260 |
_aSwitzerland _c1964 |
||
300 | _a1-154 p. | ||
942 |
_2udc _cB |
||
440 | _aCommonwealth institute of biological control. Technical Bulletin No. 4 | ||
901 | _aS51885 | ||
999 |
_c110445 _d110445 |