A study of the dynamic flue-gas temperature and off-period mass flow rate of a residential gas-fired furnace /

Includes bibliographical references (p. 31).

Lifetime earnings estimates for men and women in the United States, 1979.

Mode of access: Internet.

People and the tropical forest : a research project from the United States Man and the Biosphere Program /

Mode of access: Internet.

Report of the Commission on the Foreign Service Personnel System /

"June 1989."