NIOSH manual of analytical methods (NMAM) : first supplement to NIOSH manual of analytical methods (NMAM).

Originally published in 1984.

The JOBS evaluation : early lessons from seven sites /

"December 1994"--P.i.

Royalty Management Program : hearing before the Committee on Mineral Resources Development and Production of the Committee on Energy and Natural Resources, United States Senate, One Hundredth Congress, second session ....

"July 12, 1988" -- pt.2.