000 00312nam a2200133Ia 4500
008 160316s1977 xxu||||| |||| 00| 0 eng d
020 _a
100 _aInternational Atomic Energy Agency
245 _aSoil Organic Matter Studies
250 _a1st
260 _aVIENNA
_bIAEA
_c1977
300 _a
700 _a
_a
999 _c14268
_d14268