000 00334 a2200133 4500
080 _a632
_bM 381 S
245 1 _aScientific principles of crop protecton
_cby H. Martin
250 _a5th edn.
260 _aLondon
_bEdward Arnold Pub.
_c1964
650 _aCrop Protection
100 1 _aMartin, H.
_d
300 _a376 p.
901 _a84604
999 _c45770
_d45770