Atoms, molecules, and lasers : lectures presented at the International Winter College at Trieste from 17 January to 10 April 1973 / organized by the International Centre for Theoretical Physics, Trieste. International Centre for Theoretical Physics. Atoms Congresses. Molecules Congresses. Lasers in physics Congresses. Collisions (Nuclear physics) Congresses. QC770 .A97 539 INA "STI/PUB/356." Corrigenda leaf inserted. Includes bibliographies. Vienna : International Atomic Energy Agency; [New York : distributed by Unipud], 1974. 1974. 1974 Text 710 p. : eng