000 00501nam a2200133Ia 45e0
008 140121n1971 au |||gr||||Z||||||eng
082 _a631.84
100 _aInternational Atomic Energy Agency,
_eAgency.
245 0 _aNitrogen - 15 in Soil Plant Studies
_cInternational Atomic Energy Agency
_hTextual Documents
260 _aVienna
_bInternational Atomic Energy Agency
_c1971
300 _a255.
653 _aNitrogen
942 _2ddc
_cTXT
999 _c31878
_d31878