000 00415 a2200145 4500
080 _a612.39
_bR 598 L
100 1 _aRitchie, J.A.S.
245 1 _aLearning better nutrition
_ba second study of approaches and techniques
_cby J.A.S. Ritchie
260 _aRome
_bF.A.O.
_c1971
300 _a264 p.
440 _aNo. 20
_vF.A.O. Nutritional studies
500 _aKept in Bulletin
650 _autrition
901 _a160427
999 _c75994
_d75994