TY  - BOOK
ED  - International Labour Office.
TI  - Principles and methods of wage determination in the coal-mining industry: an international survey
T2  - Studies and reports, Series D, Wages and hours of work,
AV  - HD4813 .I4 ser. D, no. 20
PY  - 1931///
CY  - Geneva
KW  - Wages
KW  - Coal miners
KW  - Coal mines and mining
N1  - At head of title: International Labour Office; Annex I: "Comparison of average wages in European coal-miners,     1925, 1927 and 1929": p. [87]-93
ER  -