TY  - BOOK
AU  - Abelson,Petel
TI  - Project Appraisal And Valuation Of The Envronment : Genernal Principles And Sincase  Studies Inder.Countries
U1  - 333.791724 
PY  - 1996///
CY  - NEW YORK
PB  - St.Martins
KW  - Project Appraisal And Valuation Of The Envronment : Genernal Principles And Sincase  Studies Inder.Countries
ER  -