00734cam a2200253 4500 1735684 BD-DhUL 20160623094226.0 710909s1970 nyu b 000 0 eng 74135369 0201067838 DLC DLC DLC BD-DhUL QC174.12 .S39 539.721 SCP Schwinger, Julian, 1918-1994. Particles, sources, and fields : vol. II / Julian Schwinger. New York : Addison-Wesley, c1973. xiii, 459 p. : 24 cm. GBP 83.10 Includes bibliographical references and index. Quantum theory. Mathematical physics. ddc BK 13693 13693 0 0 ddc 0 539_721000000000000_SCP 0 NFIC 24552 DUSL DUSL GEN 1982-02-10 Purchased 539.721 SCP A202631 2014-09-29 2014-09-29 BK