000 00291nam a2200133Ia 4500
008 161121s9999 xx 000 0 und d
100 _aStefferud (A.)
245 0 _aSoil (Year book of agriculture, 1957)
260 _cNIL
365 _b0
650 _aNIL
652 _a#N/A
942 _cBK
999 _c24760
_d24760