TY - JOUR T1 - Inorganic Nitrogen Uptake and Regeneration in Perennially Ice-Covered Lakes Fryxell and Vanda, Antarctica JF - Journal of Plankton Research Y1 - 1989 A1 - John C. Priscu A1 - Warwick F. Vincent A1 - Clive Howard-Williams VL - 11 IS - 2 ER -