00871nam0-22003011i-450-9900009927804033213-540-11589-7000099278FED01000099278(Aleph)000099278FED0100009927820000920d1982----km-y0itay50------baengSymmetry of Polycentric SystemsThe Polycentric Tensor Algebra for MoleculesGerhard FieckBerlin [etc.]Springer-Verlag1982Lecture notes in physics167Teoria dei gruppiPrincipi di simmetria512Fieck,Gerhard46786ITUNINARICAUNIMARCBK99000099278040332110A-18012076FI1FI1Symmetry of polycentric systems190910UNINAING01