TY - BOOK AU - Semat, Henry, AU - ED - ED - ED - ED - SN - 2 PY - 1954///46 CY - New York PB - Rinehart KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Physics.;Atoms N1 - Previous editions published under title: Introduction to atomic physics; 5 ER -