01109nam--2200385---450-99000156301020331620050302154532.0000156301USA01000156301(ALEPH)000156301USA0100015630120040414d1978----km-y0itay0103----baengGB||||||||001yyLosing groundenvironmental stress and world food prospectsErik P. EckholmOxford [etc.]Pergamon Press1978223 p.21 cmPergamon Oxford Geographies22001Pergamon Oxford Geographies22001001-------2001AlimentiUomo e natura338.19ECKHOLM,Erik P.214519ITsalbcISBD990001563010203316III.1. 1057(I C Coll 50/2)81203 L.M.I C CollBKUMASIAV51020040414USA011119COPAT29020050302USA011545Losing ground937647UNISA