TY  - BOOK
AU  - United Nations Economic Commission for Europe Water Problems (Committee on --) (USA)
ED  - United Nations Economic Commission for Europe Water Problems (Committee on --) (USA)
TI  - Principles and methods for the provision of econom
U1  - X 9(D55), L6/UN 
PY  - 1976///
CY  - New York
PB  - United Nations USA       
KW  - Electrical
N1  - Sales No.:E.76.11.E.25
ER  -