Pechhold, Engelbert. "Studies of the behavior and generation of carbanions : Part I. Inversion of secondary cyclic grignard reagents : Part II. Fragmentation of azoformate salts and acylazo compounds with bases /." Doctoral dissertation, Ohio State University, 1968. http://rave.ohiolink.edu/etdc/view?acc_num=osu1486650218176533Chicago Manual of Style (17th edition)