TY - BOOK AU - Hess,Fred C. TI - Chemistry T2 - Made simple self-teaching library PY - 1957///, c1955 CY - New York, N.Y. PB - Made Simple Books KW - Chemistry KW - Popular works N1 - Includes index UR - http://www.archive.org/details/chemistry00hess UR - http://www.openlibrary.org/books/OL24239124M ER -