RT Web Page DB /z-wcorg/ DS http://worldcat.org ID 300776904 LA English UL http://sigparb.uqo.ca/BD/login_manitou.cfm?F=SCD&idnot=24035121&pub=00304387 T1 Orbis A1 ScienceDirect (Online service), PB Elsevier Science. PP New York YR 1995