00493nam a2200169Ia 4500008004100000020001500041082001900056100002200075245007400097260003600171300000800207650001400215650002000229653002100249653003100270653002200301170901s2001    xx            000 0 und d  a0125154224  a338.1621bN40G  aNelson, Gerald C. 0aGenetically Modified Organisms in AgriculturebEconomics and Politics  aSan DiegobAcademic Pressc2001  a344  aEconomics  aSocial sciences  aEconomic aspects  aGenetically modified foods  aGovernment policy