00401nam a2200109Ia 4500008004100000082002000041100002000061245009000081260003600171300002800207500005600235260827b        |||||||| |||| 00| 0 eng d  a530.1bAd211.AA  aAdams, Barry G.  aAlgebraic approach to simple quantum systems with applications perturbation theoryb/  aBerlin:bSpringer-Verlag,c1994  axvi, 451p. Index, Bibl.  a"Purchased under NBHM grant for the year 1994-1995"