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Li, W.K.W.; Wood, A.M. (1988). "Vertical distribution of North Atlantic ultraphytoplankton: analysis by flow cytometry and epifluorescence microscopy". Deep-Sea Research. 35 (9): 1615–1638. Bibcode:1988DSRA...35.1615L. doi:10.1016/0198-0149(88)90106-9.
Chisholm, S.W.; Olson, R.J.; Zettler, E.R.; Goericke, R.; Waterbury, J.B.; Welschmeyer, N.A. (1988). "A novel free-living prochlorophyte abundant in the oceanic euphotic zone". Nature. 344 (6180): 340–343. Bibcode:1988Natur.334..340C. doi:10.1038/334340a0.