000 00282nam a2200121Ia 4500
008 230401s2011 xx 000 0 eng d
082 _a333.7
100 _aBERCK (PETER)
245 4 _aTHE ECONMICS OF THE ENCIROMENT
260 _bDELHI PHI
_c2011
300 _a508
942 _2ddc
_cBTECH
999 _c273
_d273