000
002820000a22001330004500
245
_a
Cost benefit analysis
100
_a
Nishan, E.J.
260
_a
London
_b
Allen & Unwin
_c
1971
300
_a
364 p.
500
_a
diagrams
080
_a
657.47
_b
M5
041
_a
EN
942
_c
BK
999
_c
95986
_d
95986