1.

Record Nr.

UNINA990000523550403321

Autore

Williams, Hilary Paul <1943- >

Titolo

Model building in mathematical programming / H. P. Williams

Pubbl/distr/stampa

New York : John Wiley & sons, c1993

ISBN

0-471-94111-5

Edizione

[3rd ed. rev.]

Descrizione fisica

356 p. ; 24 cm

Collana

A Wiley-Interscience publication

Disciplina

519.7

Locazione

DINEL

Collocazione

10 B II 646

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia



2.

Record Nr.

UNINA9910702585903321

Autore

Andrews Stephen C.

Titolo

Impact of nonpoint pollution control on western Lake Superior : red clay project final report: summary / / prepared by Stephen C. Andrews, Donald S. Houtman, William J. Lontz ; prepared for U.S. Environmental Protection Agency, Great Lakes National Program Office

Pubbl/distr/stampa

Chicago, Illinois : , : Great Lakes National Program Office, , 1979

Descrizione fisica

1 online resource (32 pages) : illustrations, maps

Soggetti

Soil erosion - Superior, Lake

Clay soils

Water - Pollution - Superior, Lake

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Title from title screen (viewed July 31, 2014).

"Western Lake Superior Basin Erosion-Sediment Project."

"A cooperative interstate effort between the Ashland, Bayfield, Carlton, Douglas, and Iron County soil and water conservation districts."

"January 1979."

"EPA 905/9-79-002."