Fieck, Gerhard. Lecture notes in physics 167:Symmetry of polycentric systems:The polycentric tensor algebra for molecules / by Gerhard Fieck. - 1st ed / - Berlin : Springer-Verlag. - vi,137p : ISBN: 3-540-11589-7 Subjects--Topical Terms: polycentric Systems Dewey Class. No.: B20k463 / M2