000 00299nam a2200109Ia 4500
008 151128s9999 xx 000 0 und d
041 _aENG
245 _aDirectory fertlizer research in the U.S
260 _c1981
_aAlabama
_bNational Fertilizer Development Center
300 _avi, 163p.
942 _cBK
999 _c28543
_d28543