Granito, Charles E., Roberts, Scott, and Gibson, Gerard W. "The Conversion of Wiswesser Line Notations to Ring Codes. I. The Conversion of Ring Systems", Journal of Chemical Documentation, Vol. 13, No. 3, p. 190-196, 1972, 1972

Granito, Charles E., Roberts, Scott, and Gibson, Gerard W. "The Conversion of Wiswesser Line Notations to Ring Codes. I. The Conversion of Ring Systems", Journal of Chemical Documentation, Vol. 13, No. 3, p. 190-196, 1972, 1972, Box: 102, Folder: 5. Eugene Garfield Papers, 2009-036. Science History Institute Archives. https://sciencehistory.libraryhost.com/repositories/3/archival_objects/21444 Accessed November 05, 2024.