000 00402nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aAbdel-Bar, A.A.
245 _aOriginal soil phosphates and its role in minimising the consumption of artificia
260 _aCairo
260 _c1956
300 _a0.916666667
440 _aNo. 93; Cairo University, Facu
901 _pS3315
942 _cB
_2udc
999 _c128960
_d128960