"EPA/600/S-97/001.""April 1997."Shipping list no.: 97-0239-P.At head of title: United States Environmental Protection Agency, Research and Development.Caption title.Includes bibliographical references (p. 11).Mode of access: Internet
"EPA/540/S-93-503.""February 1993."Shipping list no.: 93-0315-P.At head of title: United States Envi...
"EPA/540/4-91-002.""March 1991."Shipping list no.: 1991-0438-P.At head of title: United States Envir...
"EPA 742-S-97-001.""June 1997."Shipping list no.: 99-0123-P.Cover title.Mode of access: Internet
"EPA/540/S-92/005."Shipping list no.: 92-0357-P."April 1992."Caption title.At head of title: United ...
"EPA/540/F-98/501.""August 1998."Shipping list no.: 99-0011-P.Cover title.Mode of access: Internet
"April 2000."Shipping list no.: 2000-0240-P.Caption title.Includes bibliographic references (p. 8-9)...
"EPA/600/S-93/004.""May 1993."Shipping list no.: 93-0414-P.Caption title.Includes bibliographical re...
"EPA/600/S-94/002.""August 1994."Shipping list no.: 94-0311-P.Caption title.Includes bibliographical...
"EPA/540/S-92/018.""October 1992."Shipping list no.: 1993-0075-P.Caption title.Includes bibliographi...
"EPA/600/M-91/009.""Mar. 1991."Shipping list no.: 91-353-P.Caption title.Includes bibliographical re...
Shipping list no.: 95-0320-P.Includes bibliographical references (p. 12-13).Mode of access: Internet
"EPA/540/4-90/054.""January 1991."Shipping list no.: 91-0234-P.Caption title.Includes bibliographica...
Shipping list no.: 98-0216-P."Central Great Plains Research Station."Caption title.Mode of access: I...
"May 16, 1997"--Pt. 1.Shipping list no.: 97-0262-P (pt. 1).Distributed to some depository libraries ...
Shipping list no.: 96-0253-P."The U.S. Geological Survey (USGS) is implementing the National Water-Q...
"EPA/540/S-93-503.""February 1993."Shipping list no.: 93-0315-P.At head of title: United States Envi...
"EPA/540/4-91-002.""March 1991."Shipping list no.: 1991-0438-P.At head of title: United States Envir...
"EPA 742-S-97-001.""June 1997."Shipping list no.: 99-0123-P.Cover title.Mode of access: Internet
"EPA/540/S-92/005."Shipping list no.: 92-0357-P."April 1992."Caption title.At head of title: United ...
"EPA/540/F-98/501.""August 1998."Shipping list no.: 99-0011-P.Cover title.Mode of access: Internet
"April 2000."Shipping list no.: 2000-0240-P.Caption title.Includes bibliographic references (p. 8-9)...
"EPA/600/S-93/004.""May 1993."Shipping list no.: 93-0414-P.Caption title.Includes bibliographical re...
"EPA/600/S-94/002.""August 1994."Shipping list no.: 94-0311-P.Caption title.Includes bibliographical...
"EPA/540/S-92/018.""October 1992."Shipping list no.: 1993-0075-P.Caption title.Includes bibliographi...
"EPA/600/M-91/009.""Mar. 1991."Shipping list no.: 91-353-P.Caption title.Includes bibliographical re...
Shipping list no.: 95-0320-P.Includes bibliographical references (p. 12-13).Mode of access: Internet
"EPA/540/4-90/054.""January 1991."Shipping list no.: 91-0234-P.Caption title.Includes bibliographica...
Shipping list no.: 98-0216-P."Central Great Plains Research Station."Caption title.Mode of access: I...
"May 16, 1997"--Pt. 1.Shipping list no.: 97-0262-P (pt. 1).Distributed to some depository libraries ...
Shipping list no.: 96-0253-P."The U.S. Geological Survey (USGS) is implementing the National Water-Q...
"EPA/540/S-93-503.""February 1993."Shipping list no.: 93-0315-P.At head of title: United States Envi...
"EPA/540/4-91-002.""March 1991."Shipping list no.: 1991-0438-P.At head of title: United States Envir...
"EPA 742-S-97-001.""June 1997."Shipping list no.: 99-0123-P.Cover title.Mode of access: Internet