TY  - GEN
AU  - Sands, P. [et...al]
TI  - Principle of international environmental law
SN  - 9780521140935
U1  - 341.762/PRI 
PY  - 2012///
CY  - U K
PB  - Cambridge
N1  - 1. Environmental International society.
2. Environmental & international law
ER  -