"September 1997"--T.p. verso.Cover title.Includes bibliographical references (p. 30-32).Mode of access: Internet
"January 2003"--P. 2 of cover.Includes bibliographical references (p. 34-35) and index.Mode of acces...
"July 1993."Cover title.Includes bibliographical references (p. 18).Mode of access: Internet
"September 2000."Includes bibliographical references (p. 12).Mode of access: Internet
"October 1993"--P. [2] of cover.Cover title.Includes bibliographical references (p. 36-38).Mode of a...
"July 1981"--P. [2] of cover.Cover title.Bibliography: p. 7.Mode of access: Internet
"September 1981"--P. [2] of cover.Cover title.Bibliography: p. 38.Mode of access: Internet
"October 2000"--P. [2] of cover.Includes bibliographical references (p. 13).Mode of access: Internet
"January 16, 1980"--P. 2 of cover.Cover title.Bibliography: p. 2.Mode of access: Internet
"July 1998"--P. [2] of cover.Cover title.Includes bibliographical references (p. 16).Mode of access:...
"September 2000."Includes bibliographical references (p. 12).Mode of access: Internet
"March 1982"--P. [2] of cover.Cover title.Bibliography : p. 16-17.Mode of access: Internet
"18 April 1985"--P. [2] of cover.Distributed to depository libraries in microfiche.Cover title.Bibli...
"September 1993."Chiefly tables.Cover title.Includes bibliographical references (p. 3-4).Mode of acc...
Distributed to depository libraries in microfiche."January 24, 1994"--T.p. verso.Cover title.Include...
"December 1993"--P. [2] of cover.Includes bibliographical references (p. 40).Mode of access: Interne...
"January 2003"--P. 2 of cover.Includes bibliographical references (p. 34-35) and index.Mode of acces...
"July 1993."Cover title.Includes bibliographical references (p. 18).Mode of access: Internet
"September 2000."Includes bibliographical references (p. 12).Mode of access: Internet
"October 1993"--P. [2] of cover.Cover title.Includes bibliographical references (p. 36-38).Mode of a...
"July 1981"--P. [2] of cover.Cover title.Bibliography: p. 7.Mode of access: Internet
"September 1981"--P. [2] of cover.Cover title.Bibliography: p. 38.Mode of access: Internet
"October 2000"--P. [2] of cover.Includes bibliographical references (p. 13).Mode of access: Internet
"January 16, 1980"--P. 2 of cover.Cover title.Bibliography: p. 2.Mode of access: Internet
"July 1998"--P. [2] of cover.Cover title.Includes bibliographical references (p. 16).Mode of access:...
"September 2000."Includes bibliographical references (p. 12).Mode of access: Internet
"March 1982"--P. [2] of cover.Cover title.Bibliography : p. 16-17.Mode of access: Internet
"18 April 1985"--P. [2] of cover.Distributed to depository libraries in microfiche.Cover title.Bibli...
"September 1993."Chiefly tables.Cover title.Includes bibliographical references (p. 3-4).Mode of acc...
Distributed to depository libraries in microfiche."January 24, 1994"--T.p. verso.Cover title.Include...
"December 1993"--P. [2] of cover.Includes bibliographical references (p. 40).Mode of access: Interne...
"January 2003"--P. 2 of cover.Includes bibliographical references (p. 34-35) and index.Mode of acces...
"July 1993."Cover title.Includes bibliographical references (p. 18).Mode of access: Internet
"September 2000."Includes bibliographical references (p. 12).Mode of access: Internet