Cribbs Gillian Nature's superfood : the blue-green algae revolution / Gillian Cribbs. - London : Newleaf, 1997. - 234 p. ; 20 cm. Includes index. ISBN: 0752205692 Subjects--Topical Terms: Cyanobacteria--Health aspects--Popular worksNutrition--Popular works LC Class. No.: TX551