TY  - BOOK
ED  - National Training and Operational Technology Centre Cincinnati OH 45268.
ED  - United States.
TI  - Basic environmental statistics notebook: training manual 
PY  - 1980///
CY  - [s.l.]
PB  - EPA
KW  - Pollution
KW  - Environmental aspects
KW  - Statistics
KW  - Environmental protection
N1  - EPA-430/1-80-001
ER  -