The coupled trickling filter-activated sludge process : design and performance /

Mode of access: Internet.

Report on tests of welding filter plates /

Mode of access: Internet.

Fine solids removal following combined chemical-trickling filter treatment /

Mode of access: Internet.

Wastewater stabilization lagoon : intermittent sand filter systems /

Mode of access: Internet.

High daily rate trickling filter performance : under the direction of the Board of State Health Commissioners, Upper Mississippi River Basin Sanitaton Agreement /

Includes bibliographical references.

Long term recharge of trickling filter effluent into sand /

Mode of access: Internet.

A preliminary investigation of the effectiveness of a diatomite filter in the removal of radioactive phosphorus from water /

"November 1, 1951."

Analysis of texture,

"COO-2118-0035."

Computer methods for analysis and synthesis of visual texture,

"C00-2118-0048."

Synthesis of texture,

"Contract US AEC AT(11-1)2118."

Photographic investigation of sediment texture, bottom current activity, and benthonic organisms in the Wilmington Submarine Canyon, U.S.C.C.C. Rockaway-Smithsonian Institution cruise (RoS2) December 1967

"CG 373-22."

Evaluation of filter flammability and filter bank fire detection systems /

"U.S. Atomic Energy Commission Contract AT(29-1)-1106."

Designs of filter plants, January 1900.

Mode of access: Internet.

Digital filter synthesis

"Cornell Aeronautical Laboratory, Inc. has assigned Report no. XA-2177-B-1 to this document."

Mémoire sur la structure et la texture des artères /

Mode of access: Internet.