000 00525nam a2200181Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a330.4
_bOp.43
100 _aUlmer Melville J
245 _aTrends and cycles in capital formation by United States railroads, 1870-1950
260 _aNew York
_bNational Bureau of Economic Research
_c1954
300 _a70p.
440 _aOccasional paper; 43
650 _aCapital formation
650 _aUnited States
942 _cBK
999 _c32475
_d32475