TY  - BOOK
AU  - Paustenbach, Dennis J.
TI  - Human and ecological risk assessment : theory and practice 
SN  - 0471147478
AV  -  	DASF RA427.3.H854 
PY  - 2002///
CY  - New York.
PB  -  : John &Wiley. 
KW  - Health risk assessment
KW  -  Ecological risk assessment
N1  - 
Includes bibliographical references and index
ER  -