000 00519nam a22001577a 4500
008 230221b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aElectronic computer
_c/ The Organisation for European Economic Co-operation
260 _aParis:
_bThe Organisation for European Economic Co-operation,
_c1968
300 _a108p.
490 _aGaps in technology
650 _aAgriculture
653 _aConsumption
653 _aNitrogenous
942 _2udc
_cREF
999 _c53847
_d53847