"Proceedings of a Symposium on Symmetries in Science VII: Spectrum-Generating Algebras and Dynamic Symmetries in Physics, held August 28-31, 1992, in Nakajo, Niigata, Japan.".
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Symmetries in science VII : spectrum-generating algebras and dynamic symmetries in physics. ISBN 0306445867. Published by Plenum in 1993. Publication and catalogue information, links to buy online and reader comments.
