00272nam a2200097 4500245007100000100001900071710001500090260003000105300002200135082001700157 aExcited states in organic chemistryc J.A. Barltrop and J.D. Coyle aBarltrop, J.A. aCoyle,J.D. aLondonbJohn Wileycc1975 axii,376p. ; 23cm. a547.135bBAR