TY - CONF ED - Ereskovsky, Alexander V. ED - Keupp, Helmut ED - Kohring, Rolf T1 - Modern problems of poriferan biology T1 - proceedings of the First All-Russia Meeting of Spongiologists, St. Petersburg, February 1996 Y1 - 1997 PB - Selbstverlag Fachbereich Geowissenschaften CY - FU Berlin UR - http://resolver.sub.uni-goettingen.de/purl?gldocs-11858/11582 ER -