Dodds, Walter K.; Castenholz, Richard W. (September 1988). "Effects of grazing and light on the growth of Nostoc pruniforme (Cyanobacteria)". British Phycological Journal. 23 (3): 219–227. doi:10.1080/00071618800650251. ISSN0007-1617.
Dodds, Walter K.; Castenholz, Richard W. (September 1988). "Effects of grazing and light on the growth of Nostoc pruniforme (Cyanobacteria)". British Phycological Journal. 23 (3): 219–227. doi:10.1080/00071618800650251. ISSN0007-1617.