00773nam a22002531 4500 747970 BD-DhUL 20140926094701.0 870608s1950 nyua b 000 0 eng 50007555 DLC/ICU ICU DLC BD-DhUL QC21 .H985 1950 539.14 HUF Humphreys, Richard F. (Richard Franklin) First principles of atomic physics / by Richard F. Humphreys and Robert Beringer. New York : Harper, 1950. ix, 390 p. : ill. ; 23 cm. Includes index. Physics. Beringer, Robert, joint author. Atomic physics. 7 cbc orignew u ocip 19 y-gencatlg ddc BK 13230 13230 0 0 ddc 0 539_140000000000000_HUF 0 NFIC 23691 DUSL DUSL GEN 1959-09-19 Gift 539.14 HUF A9965 2014-09-26 2014-09-26 BK