000 003810000a22001570004500
020 _a0-8138-1870-2
060 _a100
082 _a338.19 DUN
100 _aDuncan, E.R.
245 _aDimensions of world food problems
260 _aUSA, Iowa state universtiy press
260 _c1977
300 _a309
650 _aFood supply/ population/ nutritional needs
942 _cBK
999 _c220015
_d220015