000 00270nam a2200121Ia 4500
100 _aRobertson,Dennis
942 _cBK
245 _aLecrures on economic principles
260 _aLondon
_bStaples Press
_c1957
082 _a330
_bRob
300 _a172
546 _aEnglish
999 _c335551
_d335551
041 _aeng