Journal Of The Franklin Institute Of The State Of Pennsylvania, Volume 88/fr-ca/journal-of-the-franklin-institute-of-the-state-of-pennsylvania-volume-88/DEDC6DC3-DE86-4E04-8EA7-D46EE35A5323.htmlDEDC6DC3-DE86-4E04-8EA7-D46EE35A5323
Journal Of The Franklin Institute Of The State Of Pennsylvania, Volume 88