@book{ Solr-129336, title = {Tetracyclic and higher cyclic compounds.}, series = {Elsevier's encyclopaedia of organic chemistry. Series 3, Carboisocyclic condensed compounds ;}, author = {Josephy, E.}, editor = {Josephy, E.}, address = {New-York, NY}, publisher = {Elsevier}, year = {1940}, note = {englisch}, }