00398naa a2200145 a 450000100080000000500110000800800410001910000180006024500650007826000090014365000180015265000160017065300080018677300580019416188361995-06-27 1993 bl --- 0-- u #d1 aSPRENT, J. I. aThe role of nitrogen fixation in primary succession on land. c1993 aCyanobacteria aNitrogenase aFBN tIn: Primary Succession on Land.gv., p.209-219, 1993.