search query: @indexterm Safety / total: 240
reference: 183 / 240
Author: | Sider, H. |
Title: | Safety and productivity in underground coal mining. |
Journal: | Review of Economics and Statistics
1983 : MAY, VOL. 65:2, p. 225-233 |
Index terms: | COAL MINING INDUSTRY PRODUCTIVITY SAFETY WORKING CONDITIONS USA |
Language: | eng |
Abstract: |
SCIMA