000 00316nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a54:631
_bHAY
100 _aHAY, R K M
245 0 _aChemistry for agriculture and ecology.
260 _aOxford
_bBlackwell
_c1981
650 _aAgricultural chemicals
942 _cBK
999 _c36454
_d36454