000 00409 a2200145 4500
080 _a025.4:63
_bI 61 C
245 1 _aClassification scheme of agricultural science
260 _aRome
_bInternational Institute of Agriculture
_c1942
650 _aClassification
650 _aAgriculture Science
700 _aInternational Institute of Agriculture, Rome
100 _a
_d
300 _a183 p.
901 _a31966
999 _c19370
_d19370