TY  - BOOK
TI  - World environment directory
SN  - 0916742040
AV  - IRA REF TD12.W65 
PY  - 1980///
CY  - Michigan
PB  - Business Publishers
KW  - Environmental engineers
KW  - Environmental protection
KW  - Environment
KW  - Directories
N1  - Includes index
ER  -