00293nam a2200097Ia 4500008004100000040002900041050002300070100001900093245004800112260003500160230222s9999||||xx |||||||||||||| ||und||  cChuka University Library  aQC 173 bC645 1970  aCottrell, T.L. 0aDynamic aspects of molecular energy states   aOliver & boydbedinburghc1970