共 18 条
- [1] AKKERMANS ADL, 1983, BIOL NITROGEN FIXATI, P107
- [2] [Anonymous], [No title captured]
- [3] Cole D. W., 1981, Dynamic properties of forest ecosystems., P341
- [4] Denison W. C., 1979, Symbiotic nitrogen fixation in the management of temperate forests (Gordon, J.C.
- [5] Wheeler, C.T.
- [6] Perry, D.A. -- Editors), P266
- [7] FAY P, 1983, BLUE GREENS CYANOPHY
- [10] Hale M.E., 1983, BIOL LICHENS