TY - BOOK AU - Brasser,L.J. AU - Mulder,W.C ED - World Clean Air Congress (8th : 1989 : Hague, Netherland) TI - Man and his ecosystem: proceedings of the 8th world clean air c ongress SN - 874674 set PY - 1989/// CY - Amsterdam PB - Elsevier Science KW - Environmental policy KW - Congresses N1 - english and french; Includes bibliographical references ER -