TY - BOOK AU - Breitenlohner,P. AU - Durr,H.P. TI - Unified theories of elementary particles: critical assessment and prospects proceedings of the Heisenberg Symposium, held in Munchen. July 16-21, 1981 SN - 0387115609 PY - 1982/// CY - Berlin PB - Springer-Verlag KW - Quantum theory KW - Congresses N1 - Bibliography:pages 215-217 ER -