00307nam a2200109Ia 450000500170000008000180001710000200003524500450005526000090010052000690010958300190017820260716043334.0  a16.04.01 W642  aWiemann, Jurgen  aEnvironmental awareness and open markets  c1994  aLooks at how world trade can be made environmentally compatible.  c3/7/00kM2LMGR