Spero, H.J.; Parker, S.L. 1985. Photosynthesis in the symbiotic planktonic foraminifer Orbulina universa, and its potential contribution to oceanic primary productivity. Journal of Foraminiferal Research 15: 273-281.
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Spero, H. J.; Parker, S. L.
1985
Photosynthesis in the symbiotic planktonic foraminifer Orbulina universa, and its potential contribution to oceanic primary productivity