TY  - BOOK
AU  - Northrop,Robert B.
AU  - Connor,Anne N.
TI  - Ecological Sustainability: Understanding Complex Issues 
SN  - 9781466565128 (hardback : acidfree paper)
U1  - 720.47 23
PY  - 2013///
CY  - Boca Raton
PB  - CRC Press
ER  -