Concepedia
Resources Policy · 1990 · 46 citations · 3 references
3
Current Population Reports
A Bachu · 1999 · 2.6K citations
Social Sciences, Sociology, Labor Economics +11
Standard industrial classification manual, 1987
Peter B. Ives · Government Publications Review · 1988 · 276 citations
Engineering, Industrial Engineering, Metrology +5
Beyond intensity of use
John E. Tilton · Mater. Soc.; (United States) · 1986 · 16 citations
Social Sciences, Economics, Materials Science +15