Cover title.Includes summary in Spanish.Bibliography: p. 28-29.Mode of access: Internet
Includes summary in Spanish.Cover title.Includes bibliographical references (p. 26-27).Mode of acces...
Includes appendix.Tables.Cover title.Bibliography: p. 36.Mode of access: Internet
Cover title.Includes summary in Spanish.Bibliography: p. 15-16.Mode of access: Internet
Includes summary in Spanish.Cover title.Includes bibliographical references.Mode of access: Internet
Includes summary in Spanish.Cover title.Bibliography: p. 27-28.Mode of access: Internet
Cover title.Includes summary in Spanish.Includes bibliographical references.Mode of access: Internet
Cover title.Includes summary in Spanish.Bibliography: p. 8.Mode of access: Internet
Includes summary in Spanish.Cover title.Bibliography: p. 15.Mode of access: Internet
Chiefly tables.Cover title.Summary in Spanish and English.Bibliography: p. 22.Mode of access: Intern...
"May 1999."Cover title.Includes bibliographical references (p. 5)Mode of access: Internet
Cover title.Includes bibliographical references (p. 60-68).Mode of access: Internet
"Summary submitted in Spanish, December, 1960. Full report submitted in English, February, 1962."Mod...
Caption title: Materials used in constructing cement and concrete fence posts.Cover title.Mode of ac...
Report year ends June 30.Mode of access: Internet.At head of title: Puerto Rico Experiment Station o...
"March 1982"--P. [2].Text in English and Spanish.Caption title.Mode of access: Internet
Includes summary in Spanish.Cover title.Includes bibliographical references (p. 26-27).Mode of acces...
Includes appendix.Tables.Cover title.Bibliography: p. 36.Mode of access: Internet
Cover title.Includes summary in Spanish.Bibliography: p. 15-16.Mode of access: Internet
Includes summary in Spanish.Cover title.Includes bibliographical references.Mode of access: Internet
Includes summary in Spanish.Cover title.Bibliography: p. 27-28.Mode of access: Internet
Cover title.Includes summary in Spanish.Includes bibliographical references.Mode of access: Internet
Cover title.Includes summary in Spanish.Bibliography: p. 8.Mode of access: Internet
Includes summary in Spanish.Cover title.Bibliography: p. 15.Mode of access: Internet
Chiefly tables.Cover title.Summary in Spanish and English.Bibliography: p. 22.Mode of access: Intern...
"May 1999."Cover title.Includes bibliographical references (p. 5)Mode of access: Internet
Cover title.Includes bibliographical references (p. 60-68).Mode of access: Internet
"Summary submitted in Spanish, December, 1960. Full report submitted in English, February, 1962."Mod...
Caption title: Materials used in constructing cement and concrete fence posts.Cover title.Mode of ac...
Report year ends June 30.Mode of access: Internet.At head of title: Puerto Rico Experiment Station o...
"March 1982"--P. [2].Text in English and Spanish.Caption title.Mode of access: Internet
Includes summary in Spanish.Cover title.Includes bibliographical references (p. 26-27).Mode of acces...
Includes appendix.Tables.Cover title.Bibliography: p. 36.Mode of access: Internet
Cover title.Includes summary in Spanish.Bibliography: p. 15-16.Mode of access: Internet