@Article{129620017, title="LabGuide: the premier directory for all scientific laboratories ; supplement to ACS publications", journal="Environmental science {\&} technology", year="1972", month="2004", publisher="American Chemical Society", address="Washington, DC [u.a.]", note="the American Chemical Society, ACS", note="1972/73(1972) - 1990/91; 37.1991/92(1991) - 42.1996/97(1996); 1997/98 - 2001/02; 2003 - 2004", issn="0013-936X", language="English" }