000 00348nam a2200121Ia 4500
082 _a333.7
_bJOH
100 _aJohansson, Perolov
245 _aEconomic theory and measurement of environmental benefits.
260 _aLondon,Cambridge,New Delhi etc
_bCambridge Uni. Press
_c1987
300 _ax,223p.
890 _aUnited Kingdom
999 _c9025
_d9025