AFZELIUS, B A The ultrastructure of the nuclear membrane of the sea urchin oocyte as studied with the electron microscope. [electronic resource] - Experimental cell research Feb 1955 - 147-58 p. digital Publication Type: Journal Article ISSN: 0014-4827 Standard No.: 10.1016/0014-4827(55)90051-3 doi Subjects--Topical Terms: AnimalsEchinodermataElectronsMicroscopyMicroscopy, ElectronNuclear EnvelopeOocytesOvumSea Urchins