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author
Richard P. Pohanish
Richard P. Pohanish is the author or co-author of more than twenty books in the environmental health, safety, chemistry, and engineering fields. Active in the information and publi...lihat lebih banyakRichard P. Pohanish is the author or co-author of more than twenty books in the environmental health, safety, chemistry, and engineering fields. Active in the information and publishing business for almost half a century, Mr Pohanish is president and publisher of Chem-Data Systems and author of Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens.lihat lebih sedikit