Clapp, Leallyn Burr Chemistry of the covalent bond Leallyn Burr Clapp. - San Francisco W. H. Freeman 1957. - 684 p. illus. 22 cm. LCCN: 56008596 /L Subjects--Topical Terms: Chemistry, Physical and theoretical LC Class. No.: QD453 / .C57 1957 Dewey Class. No.: 541