World energy survey /
Sivard, Ruth Leger.
World energy survey / by Ruth Leger Sivard. - 2nd ed. - Leesburg, Virginia : World Priorities, c1981. - 44 p.
Includes bibliographical references.
Energy conservation--Survey.
Energy policy--Survey.
TJ163.3 / .S5
World energy survey / by Ruth Leger Sivard. - 2nd ed. - Leesburg, Virginia : World Priorities, c1981. - 44 p.
Includes bibliographical references.
Energy conservation--Survey.
Energy policy--Survey.
TJ163.3 / .S5