000 00331nam a2200133Ia 4500
008 221001s1978 xx 000 0 eng d
082 _a338.521 WAT
100 _aWatson, Donald Stevenson
245 0 _aPrice theory and its uses
250 _a4t ed.
260 _aDelhi
_bKhosla
_c1978
300 _axviii, 445p.
942 _2ddc
_cBK
999 _c23561
_d23561