00712nam0-2200253 --450 991080659140332120240227122450.020240227d1964----kmuy0itay5050 baengUS 001yyHunger signs in cropsa symposiumprepared by S.A. Barber ... <et al.>New 3. ed.New YorkDavid McKay Companyc1964XXI, 461 p.ill.23 cm63122itaBarber,Stanley A.ITUNINAREICATUNIMARCBK9910806591403321A PAT 20673011/2024FAGBCFAGBCHunger signs in crops4090317UNINA