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.

On a tabulation of reduced binary quadratic forms of a negative determinant,

The author's thesis (Ph.D.)--University of California, 1913.

An algorithm for the solution of a quadratic equation using continued fractions /

Thesis (M. S.)--University of Illinois at Urbana-Champaign, 1972.

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

"November 1, 1951."

Quadratic assignment problem /

Includes bibliographies (p. 14).

Quadratic algorithms for minimizing joins in restricted relational expressions /

"October 1979."

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."

Effects of filter response on analysis of aircraft noise data /

Mode of access: Internet.