TY - BOOK AU - Bureau of Indian Standards TI - Methods for Measurement of Air Pollution: Part 12 Polynuclear Aromatic Hydrocarbons in Air Particulate Matter (IS : 5182 (Part 12) - 1974) U1 - IS : 5182 (Part 12) - 1974 PY - 1975/// CY - New Delhi PB - Bureau of Indian Standards KW - Indian Standard - IT N1 - IS : 5182 (Part 12) - 1974 ER -