共 14 条
- [1] BEWLEY JD, 1982, ENCY PLANT PHYSL B, V12, P325
- [3] Crittenden P. E., 1983, Nitrogen as an ecological factor, P43
- [7] Kallio P., 1975, PHOTOSYNTHESIS PRODU, P393
- [8] Karenlampi L., 1971, REP KEVO SUBARCTIC R, V7, P33
- [9] Lawrey JD., 1984, BIOL LICHENIZED FUNG