000 00269nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aSree Ramulu (U.S)
245 0 _aIsotopes in Agriculture
260 _bD.I.B.H
260 _c1982
365 _b22.5
942 _cBK
999 _c210787
_d210787