000
00297nam a2200109Ia 4500
008
221001s1956 xx 000 0 eng d
082
_a
658 BHU
100
_a
Robinson, E. A. G
245
0
_a
Structure of competitive industry
260
_a
London
_b
Cambridge University Press
_c
1956
942
_2
ddc
_c
BK
999
_c
45272
_d
45272