"August 1979."EPA contract no. 68-02-1871.Includes bibliographical references (p. 33).Mode of access: Internet
Work performed for the Office of Solid Waste under contract no. 68-01-4381."March 1979."Includes bib...
Issued August 1977."Contract No. 68-03-2375."Bibliography: p. 126-130.Mode of access: Internet
November 1979.Performed for the Office of Solid Waste under contract no. 68-01-3889."Prepublication ...
Prepared in part under EPA contract no. 68-03-0431."December 1978."Includes bibliographical referenc...
"August 1977."Contract no. 68-02-2166.Includes bibliographies.Mode of access: Internet
Mode of access: Internet.Vols. for <1977>- issued by the Biological Methods Branch, Environmental Mo...
"Contract no. 68-03-2550.""July 1980.""Industrial Pollution Control Division, Industrial Environment...
March 1979.Contract no. 68-02-2233.Includes bibliographical references.Mode of access: Internet
"May 1978."Includes bibliographical references (pages 80-85).EPA Contract No.Mode of access: Interne...
"Reproduced by U.S. Department of Commerce, National Technical Information Service.""PB86-199130.""E...
September 1979.Contracts 68-01-2816, 68-01-2825, 68-01-2826, 68-01-2828.Includes bibliographies.Mode...
Report submitted in fulfillment of contract #R-804-457 by OASIS 2000."December 1978."Includes biblio...
"June, 1967."Cover title.Includes bibliographical references (leaves 169-179).Mode of access: Intern...
Issued Oct. 1978.Contract no. 68-02-1323.Includes bibliographical references.Mode of access: Interne...
Report date: December 1977."Contract no. 68-01-3294."Includes bibliographical references.Mode of acc...
Work performed for the Office of Solid Waste under contract no. 68-01-4381."March 1979."Includes bib...
Issued August 1977."Contract No. 68-03-2375."Bibliography: p. 126-130.Mode of access: Internet
November 1979.Performed for the Office of Solid Waste under contract no. 68-01-3889."Prepublication ...
Prepared in part under EPA contract no. 68-03-0431."December 1978."Includes bibliographical referenc...
"August 1977."Contract no. 68-02-2166.Includes bibliographies.Mode of access: Internet
Mode of access: Internet.Vols. for <1977>- issued by the Biological Methods Branch, Environmental Mo...
"Contract no. 68-03-2550.""July 1980.""Industrial Pollution Control Division, Industrial Environment...
March 1979.Contract no. 68-02-2233.Includes bibliographical references.Mode of access: Internet
"May 1978."Includes bibliographical references (pages 80-85).EPA Contract No.Mode of access: Interne...
"Reproduced by U.S. Department of Commerce, National Technical Information Service.""PB86-199130.""E...
September 1979.Contracts 68-01-2816, 68-01-2825, 68-01-2826, 68-01-2828.Includes bibliographies.Mode...
Report submitted in fulfillment of contract #R-804-457 by OASIS 2000."December 1978."Includes biblio...
"June, 1967."Cover title.Includes bibliographical references (leaves 169-179).Mode of access: Intern...
Issued Oct. 1978.Contract no. 68-02-1323.Includes bibliographical references.Mode of access: Interne...
Report date: December 1977."Contract no. 68-01-3294."Includes bibliographical references.Mode of acc...
Work performed for the Office of Solid Waste under contract no. 68-01-4381."March 1979."Includes bib...
Issued August 1977."Contract No. 68-03-2375."Bibliography: p. 126-130.Mode of access: Internet
November 1979.Performed for the Office of Solid Waste under contract no. 68-01-3889."Prepublication ...