00360nam a2200109Ia 4500008004100000082002000041100002000061245004400081260005000125300002100175500005400196260320b        |||||||| |||| 00| 0 eng d  a515.35bOl52.EI  aOlver, Peter J.  aEquivalence, invariants and symmetryb/  aCambridge:bCambridge University Press,c1995  axvi, 525p. Index  a"Purchased under NBHM grant for the year 1995-96"