TY - BOOK AU - Townsend,John S. TI - A modern approach to quantum mechanics T2 - International series in pure and applied physics SN - 0070651191 AV - QC174.12 .T69 1992 U1 - 530.1/2 20 PY - 1992/// CY - New York PB - McGraw-Hill KW - Quantum theory N1 - Includes bibliographical references and index ER -