TY  - BOOK
AU  - Ahmadjian,Vernon
AU  - Hale,Mason E.
TI  - The lichens
SN  - 0120449501 :
U1  - 589.1 
PY  - 1973///
CY  - New York
PB  - Academic Press
KW  - Lichens
N1  - Includes bibliographies
ER  -