Indicators of environmental quality
Indicators of environmental quality
/Plenum Press, proceedings of a symposium held during the AAAS meeting in Philadelphia, Pennsylvania, 26-31 December 1971
- New York: Plenum Press, 1972
- ix, 275p.
Environmental quality
Natural environments
502.55(082.2) / L2
Environmental quality
Natural environments
502.55(082.2) / L2