TY  - BOOK
AU  - Huckaby, Laurie Stroch, ed.
TI  - Lichens bioindicators of air quality
U1  - 579.7 21st ed.
PY  - 1993///
CY  - Colorado
PB  - Rocky Mountain Forest and Range Experiment Station, U. S. Department of Agriculture
KW  - Air pollution
KW  - Air quality
KW  - Communities
KW  - Lichens
KW  - Species
ER  -