Helbling, E Walter Effects of ultraviolet radiation on antarctic marine phytoplankton photosynthesis with particular attention to the influence of mixing / E Walter Helbling - San Diego : University of California. Institution of Oceanography, 1993 - p 207-227 Subjects--Topical Terms: ALGASANTARTIDABOTANICAECOLOGIA MARINAFITOECOLOGIAMICRONUTRIENTESFITOPLANCTON RADIACION ULTRAVIOLETADIATOMEAS ORGANISMOS FOTOTROFICOS Dewey Class. No.: 581.5