E. Logsdon

Alkaloids of Vinca rosea L. (Catharanthus roseus G. Don) XXXVI: Isolation and characterization of new dimeric alkaloids.

D. Dorman, G. H. Svoboda, W. Jones, 1975, Journal of pharmaceutical sciences.

A METHOD FOR THE DETERMINATION OF AMMONIA IN BIOLOGICAL MATERIALS ON THE AUTOANALYZER

E. Logsdon, 1960, Annals of the New York Academy of Sciences.