000 00272nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aMclaren and stujins
245 0 _aSoil biochemistry Vol 2
260 _bDekker
260 _c1971
365 _b475.47
942 _cBK
999 _c201475
_d201475