000 00294nam a2200133Ia 4500
008 160316s1971 xxu||||| |||| 00| 0 eng d
020 _a0813421136
100 _aE. P . Roy
245 _aEconomics
250 _a1st
260 _aILLINOIS
_bTHE INTERSTATE
_c1971
300 _a559
700 _a
_a
999 _c38332
_d38332