00326nam a2200121Ia 4500008004100000020001800041082001900059100001900078245002300097250000800120260004800128300002800176190403b           ||||| |||| 00| 0 eng d  a9781107606241  a333.7bC754.RE  aConrad, Jon M.  aResource economics  a2nd  aNew DelhibCambridge University Pressc2011  axiii, 285p. Bibl. Index