000 00302nam a2200121Ia 4500
008 200208s9999 xx 000 0 und d
082 _a631.43 HUM
245 0 _a(1)Humus Culture: (2) Soil Testing
260 _bUGC : Educational Films Division
260 _c0
650 _aAgriculture
942 _cCD
999 _c151511
_d151511