000			00298nam a2200133Ia 4500
008			160316s1972 xxu||||| |||| 00| 0 eng d
020			_a
100			_aO-E-C-D
245			_aProblems Of Environmental Economics
250			_a1st
260			_aPARIS _bO-E-C-D _c1972
300			_a278
700			_a _a
999			_c12355 _d12355