TY  - BOOK
AU  -  Gallant,Alisa L.
ED  -  United States. 
TI  -  Regionalization as a tool for managing environmental resources / 
U1  -  339.49 
PY  - 1989///
CY  -  Washington, D.C. : 
PB  -  United States Environmental Protection Agency, 
KW  -  Natural resources
KW  -  Environmental protecion
N1  -  EPA/600/3-89/060;  Includes bibliographical references
ER  -