000 00342pab a2200145 454500
008 180718b2000 xxu||||| |||| 00| 0 eng d
100 _aJohnson, D. Gale
245 _aPopulation, food, and knowledge
260 _c2000
300 _ap.1-14
362 _aMar
650 _aPopulation
773 _aAmerican Economic Review
909 _a44580
999 _c44580
_d44580