File talk:Methylenecyclopropane prepn.png
http://pubs.acs.org/cgi-bin/abstract.cgi/jacsat/1953/75/i14/f-pdf/f_ja01110a015.pdf
Dr. James T Gragson, patent holder
http://pubs.acs.org/cgi-bin/abstract.cgi/jacsat/1953/75/i14/f-pdf/f_ja01110a015.pdf
Dr. James T Gragson, patent holder