000 00292cam a2200121ua 4500
082 _a330.1
_bROL/EL
100 _aRoll, Erich .
_91953
245 _aElements of Economic Theory /
250 _a1 /
260 _aLondon :
_bOxford University Press ,
_c1955.
300 _a276 ; .
942 _cBK
999 _c2078
_d2078