000 00275nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a631.85 M4.87
245 _aPhosphorus in agriculture
260 _b"ISMA, 1984"
300 _a59p.
650 _aPhosphorus
942 _cBK
999 _c63674
_d63674