Population Health and Pathobiology - 1968 Nelson, D. J. (1968). Organometallic cyclization of acetylene derivatives (Ph.D. Dissertation). Indiana University. Crandall, J. K., & Keyton, D. J. (1968). An intramolecular alkylation route to cycloalkylacetylenes. Chemical Communications (London), (18), 1069. https://doi.org/10.1039/c19680001069 Crandall, J. K., Keyton, D. J., & Kohne, J. (1968). Allenes by lithium aluminum hydride reduction of propargyl derivatives. The Journal of Organic Chemistry, 33(9), 3655–3657. https://doi.org/10.1021/jo01273a074