000 00314nam a2200133Ia 4500
008 130223s9999 xx 000 0 und d
245 _aMultinutrient fertilizers
260 _aNew Delhi
260 _c1977
300 _a16 p.
440 _aNo. 11; European Nitrogen Serv
901 _pS29908
942 _cB
_2udc
999 _c128050
_d128050