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.

A report on the sugar cane mosaic situation in February, 1924, at Soledad, Cuba,

Letterpress descriptive of each plate on verso of preceding plate.

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.

La maison Nucingen. Les screts de la princesse de Cadignan. Sarrazine. Facino Cane. Un homme d'affaires. Les comédiens sans le savoir.

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."

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."

The use of sulphur in the control of truck crop and cane fruit insects and diseases.

Blank pages for memoranda in back.

Effects of filter response on analysis of aircraft noise data /

Mode of access: Internet.

Account of a new method of cultivating the sugar cane.

Mode of access: Internet.