1. Structure of a new type of terpene;Arigoni;Gazz. Chim. Ital.,1962
2. Chance and design in biosynthesis;Birch;Interdiscip. Sci. Rev.,1976
3. Studies in relation to biosynthesis. III, The structure of eleutherinol;Birch;Aust. J. Chem.,1953
4. Birch , A. J. Farrar , K. R. 1963 Studies in relation to biosynthesis. Part XXXIII. Incorporation of tryptophan into echinulin J. Chem. Soc. 4277 4278