000 00298nam a2200121Ia 4500
008 221001s1969 xx 000 0 eng d
082 _a330 ROB
100 _aRobertson, Dennis
245 0 _aLectures on economic principles
260 _aLondon
_bCollins
_c1969
300 _a480p.
942 _2ddc
_cBK
999 _c18034
_d18034