00336nam a2200109Ia 450000500170000000800410001705000190005810000170007724500370009426000580013165000370018920251229172922.0251229s9999    xx            000 0 und d  aHD 9000.6 .T5   aTimmer, C.P. 0aFood policy analysiscC.P Timmer  aBaltimoreb  The Johns Hopkins University pressc1983  aFood Supply -- Government Policy