TY - BOOK AU - Doebner, Heinz AU - Scherer, W. AU - Schroeck, F. TI - Classical and quantum systems: foundations and symmetries SN - 981021099X U1 - 530.12 PY - 1993/// CY - Singapore PB - World Scientific KW - Mecánica cuántica KW - Teoría cuántica N1 - Proceedings of the II International Wigner Symposium, Goslar, Germany, july 16- 20, 1991 ER -