Hanley, Nick. Environmental economics in theory and practice / Nick-Hanly,Jason F.Shogren and Ben White. - New Delhi : Macmillan , 1997 rep.1999. - xv,464p. : ills.,fig. ; 23cm . NULL ISBN: Rs.196.00 (Pbk) Subjects--Index Terms: RESOURCE ECONOMICS Dewey Class. No.: 333.7 / HAN/E