Oats in Minnesota, acreage, yield, production by counties, 1921-1959.

Mode of access: Internet.

Neutron production by medium-energy protons on heavy metal targets /

Photocopy. [Oak Ridge, Tenn. : U.S. Dept. of Energy, Technical Information Center, 1979]

Magnetic plasma propulsion by means of a travelling sinusoidal field.

"STL/TR-60-0000-09114."

Direct and indirect emissions production by urban truck movement in the Chicago region /

"Project no. 10.082."

Illinois agricultural statistics : milk production by counties, 1945-52 /

"December 1953".