%0 Magazine Article %T LabGuide: the premier directory for all scientific laboratories ; supplement to ACS publications %J Environmental science & technology %D 1972 %8 2004 %I American Chemical Society %C Washington, DC [u.a.] %@ 0013-936X %G English %F 129620017 %O the American Chemical Society, ACS %O 1972/73(1972) - 1990/91; 37.1991/92(1991) - 42.1996/97(1996); 1997/98 - 2001/02; 2003 - 2004 %L 540 %9 Text %9 Zeitschrift