@article{61952, author = {Woodward, R. B. and Hoffmann, Roald,}, url = {http://library.usi.edu/record/61952}, title = {The conservation of orbital symmetry}, publisher = {Verlag Chemie,}, recid = {61952}, pages = {177 p.}, address = {[Weinheim/Bergstr.]}, year = {1971}, }