000 00275nam a2200121Ia 4500
008 210122s9999 xx 000 0 und d
100 _aLayard Richard
942 _cBK
245 _aCost-benefit Analysis
260 _bPenguin
_c1972
082 _a330
_bLAY
546 _aENGLISH
999 _c25134
_d25134