COLLECTIVE INVENTION

[1] ADDENBROOKE G, 1865, P I MECHANICAL ENG, P235

[2] INTERNATIONAL COMPETITION IN IRON AND STEEL, 1850-1913 [J]. JOURNAL OF ECONOMIC HISTORY, 1979, 39 (04) : 911 - 937

[3] PECULIAR PRODUCTIVITY HISTORY OF AMERICAN BLAST-FURNACES, 1840-1913 [J]. JOURNAL OF ECONOMIC HISTORY, 1977, 37 (03) : 605 - 633

[4] THE ECONOMIC-IMPLICATIONS OF LEARNING BY DOING [J]. REVIEW OF ECONOMIC STUDIES, 1962, 29 (80) : 155 - 173

[5] ATKINSON AB, 1972, EC J, V32, P573

[6] BAGLEY CJ, 1890, P CLEVELAND I ENG, P10

[7] BECKTON JG, 1864, P I MECHANICAL ENG, P249

[8] Bell I. Lothian, 1884, PRINCIPLES MANUFACTU

[9] BELL IL, 1872, P I CIVIL ENG, V34, P146

[10] BELL IL, 1871, J IRON STEEL I, V2, P67

[1] ADDENBROOKE G, 1865, P I MECHANICAL ENG, P235

[2] INTERNATIONAL COMPETITION IN IRON AND STEEL, 1850-1913 [J]. JOURNAL OF ECONOMIC HISTORY, 1979, 39 (04) : 911 - 937

[3] PECULIAR PRODUCTIVITY HISTORY OF AMERICAN BLAST-FURNACES, 1840-1913 [J]. JOURNAL OF ECONOMIC HISTORY, 1977, 37 (03) : 605 - 633

[4] THE ECONOMIC-IMPLICATIONS OF LEARNING BY DOING [J]. REVIEW OF ECONOMIC STUDIES, 1962, 29 (80) : 155 - 173

[5] ATKINSON AB, 1972, EC J, V32, P573

[6] BAGLEY CJ, 1890, P CLEVELAND I ENG, P10

[7] BECKTON JG, 1864, P I MECHANICAL ENG, P249

[8] Bell I. Lothian, 1884, PRINCIPLES MANUFACTU

[9] BELL IL, 1872, P I CIVIL ENG, V34, P146

[10] BELL IL, 1871, J IRON STEEL I, V2, P67