TY  - BOOK
AU  - Gray William G
AU  -  Gray Genetha A
TI  - Introduction to environmental modeling
SN  - 9781107571693 (pbk)
U1  - G:55:(B), Q7 
PY  - 2017///
CY  - Cambridge
PB  - CUP       
N1  - References 408-491p.; Index 420-425p
ER  -