000 00267nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aDnbois (P)
245 0 _aPlastics in Agriculture
260 _bAppl. Sci.
260 _c1978
365 _b278.74
942 _cBK
999 _c209138
_d209138