000
00282nam a2200121Ia 4500
008
221001s1967 xx 000 0 eng d
082
_a
338.521 RYA
100
_a
Ryan, W. J. L.
245
0
_a
Price theory
260
_a
London
_b
Macmillan
_c
1967
300
_a
ix, 396p.
942
_2
ddc
_c
BK
999
_c
665
_d
665