Relationship between coal and black oils in the west European fuel market.
- Geneva : UN, 1954
- 77p. : ill. ; 30 cm.
Includes bibliographical references and index.
Natural resources
Petroleum industry and trade
Coal trade
Minerals
553.1 / ECE-2
Includes bibliographical references and index.
Natural resources
Petroleum industry and trade
Coal trade
Minerals
553.1 / ECE-2