000 00282nam a2200121Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
082 _a338.5201RYA;P
100 _aRyan, W J L
245 0 _aPrice Theory
260 _aNew Delhi
_bMacmillan
_c1977
942 _cGB
999 _c20801
_d20801