context: He is best known internationally for his comprehensive two-volume The Structure and Reproduction of the Algae; However his A Treatise of the British Freshwater Algae was also important.
source: Fritsch became a co-author of the revised edition in 1927.
reference_original: Em 1927, Fritsch tornou-se o co-autor da edição revisada.
reference_flipped: Em 1927, Fritsch tornou-se a co-autora da edição revisada.