TY  - SER
AU  - Smith, D. C.
TI  - Is a lichen a good model of biological interactions in nutrient-limited environments?
U1  - 579.7579.7 
PY  - 1979///
KW  - Is a lichen a good model of biological interactions in nutrient-limited environments?
KW  - lichens, endemic, interactions
KW  - liquenes, endémicos
ER  -