El-Naggar, Sha'aban. "I. The structure and stereochemistry of six gypsy moth antifeeding diterpenes, kalmitoxins I-VI, from Kalmia latifolia L. ; II. The isolation and characterization of a new iridoid glycoside, specioside from Catalpa speciosa Warder /." Doctoral dissertation, Ohio State University, 1979. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487085168784513Chicago Manual of Style (17th edition)