gsminmag Clay Minerals Clay Minerals 0009-8558 Mineralogical Society 10.1180/minmag.1975.040.310.20 Book Reviews Tensors and Group Theory for the Physical Properties of Crystals Strens R. G. J. 6 1975 40 310 214 214 Wooster W. A. Tensors and Group Theory for the Physical Properties of Crystals 1973 Oxford Clarendon Press 141 figs. Price £7·00 Copyright © 1975, The Mineralogical Society 1975