000 00300nam a2200121Ia 4500
008 170912s9999 xx 000 0 und d
082 _aTBE X K1 SIR/L
100 _aSIR DENNIS H ROBERTSON
245 0 _aLECTURES ON ECONOMIC PRINCIPLES
260 _bPENGUIN BOOKS
_c1961
300 _a164
942 _cTB
999 _c2120
_d2120