"EPA 440/5-80-021"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-026"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"January 1985"--t.p.Includes bibliographical references (p. 41-81).Photocopy.Mode of access: Interne...
"EPA 440/5-80-065"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-071"--Cover."Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-032"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-036"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-060"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-018"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-066"--Cover.Oct. 1980.Includes bilbiographies.Mode of access: Internet
"EPA 440/5-80-048"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-063"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-046"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-038"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-024"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-075"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-026"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"January 1985"--t.p.Includes bibliographical references (p. 41-81).Photocopy.Mode of access: Interne...
"EPA 440/5-80-065"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-071"--Cover."Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-032"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-036"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-060"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-018"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-066"--Cover.Oct. 1980.Includes bilbiographies.Mode of access: Internet
"EPA 440/5-80-048"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-063"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-046"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-038"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-024"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-075"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"EPA 440/5-80-026"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet
"January 1985"--t.p.Includes bibliographical references (p. 41-81).Photocopy.Mode of access: Interne...
"EPA 440/5-80-065"--Cover.Oct. 1980.Includes bibliographies.Mode of access: Internet