J. Bortins

AUTORADIOGRAPHIC LOCALIZATION OF 13N AFTER FIXATION OF 13N-LABELED NITROGEN GAS BY A HETEROCYST-FORMING BLUE-GREEN ALGA

C. Wolk, S. Austin, A. Galonsky, 1974, The Journal of cell biology.

A batch process for the production of 13N-labelled nitrogen gas

C. Wolk, S. Austin, A. Galonsky, 1975 .