000 00416 a2200121 4500
245 1 _aAcquisition and exploitation of information in the field of food and agriculture
_bmodern technics and international cooperation
260 _aParis
_bInstitute National De La Research Agronamique
_c1971
650 _aAgricultural Information
100 _a
_d
300 _a341 p.
080 _a026:63(063)
_bI 61 A
901 _a177526
999 _c58229
_d58229