000			00374nam a2200145Ia 4500
008			211013s9999 xx 000 0 und d
082			_a333.7 _bBER
100			_aBy Berck, Peter _98688
245		4	_aThe economics of the environment
250			_a1st
260			_c2011 _bPHI Learning _aNew Delhi
300			_axx,508p.
650			_aEconomics Environment _98689
942			_cBK
999			_c6023 _d6023