TY  - BOOK
AU  - Trzyna, Thaddeus C., ed.
TI  - World directory of environmental organisations 
SN  - 0912102101
U1  - R 333.7025 21st ed.
PY  - 1973///
CY  - California
PB  - Sierra Club
KW  - Associations, institutions, etc.-Directories
KW  - Environmental organizations-Directories
KW  - Environment-Directories
N1  - Index: pp 151-5
ER  -