TY - JOUR A2 - American Chemical Society PY - 1972 DA - 1972/2004/ TI - LabGuide: the premier directory for all scientific laboratories ; supplement to ACS publications JO - Environmental science & technology PB - American Chemical Society CY - Washington, DC [u.a.] SN - 0013-936X LA - English N1 - the American Chemical Society, ACS ID - 129620017 ER -