Olson, David. "Chemistry and Kinetics of i. Cyclopentadienylidene ii. Fluorenylidene and iii. Tetrachlorocyclopentadienylidene /." Doctoral dissertation, Ohio State University, 1995. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487864485230908Chicago Manual of Style (17th edition)