Wang, Xiaodong. "Studies directed to the total synthesis of (+,-)-18-oxo-3-virgene, (-)-vulgarolide, (-)-crispolide, and (-)-deoxocrispolide /." Doctoral dissertation, Ohio State University, 1994. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487858417981196Chicago Manual of Style (17th edition)