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Proteau, P. J.; Gerwick, W. H.; Garcia-Pichel, F.; Castenholz, R. (1993). "The structure of scytonemin, an ultraviolet sunscreen pigment from the sheaths of cyanobacteria". Experientia. 49 (9): 825–9. doi:10.1007/BF01923559. PMID8405307. S2CID22975257.
Ekebergh, Andreas; Sandin, Peter; Mårtensson, Jerker (2015-11-25). "On the photostability of scytonemin, analogues thereof and their monomeric counterparts". Photochemical & Photobiological Sciences. 14 (12): 2179–2186. doi:10.1039/C5PP00215J. ISSN1474-9092. PMID26452010. S2CID23558706.
Proteau, P. J.; Gerwick, W. H.; Garcia-Pichel, F.; Castenholz, R. (1993). "The structure of scytonemin, an ultraviolet sunscreen pigment from the sheaths of cyanobacteria". Experientia. 49 (9): 825–9. doi:10.1007/BF01923559. PMID8405307. S2CID22975257.