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obras de referencia

Metals reference book

By Colin J. Smithells

Children's Literature a Guide to Reference

By Virginia Haviland,Margaret N. Coughlan,Library of Congress,Elisabeth Wenning,Barbara Quinnam

Guide to reference books

By Eugene P. Sheehy

The subject bibliography of the social sciences and humanities

By Barbara M. Hale

Environmental information

By Nigel Lees,Helen Woolston

Political science

By Henry E. York

Guide to Reference Books

By Constance Winchell

Music

By William S. Brockman

Walford's Guide to Reference Material

By A. J. Walford

Welding handbook

By American Welding Society

Fuentes de información general

By Arturo Martín Vega

Guide to reference books

By Eugene Paul Sheehy

Welding handbook

By American Welding Society

Smithells metals reference book

By Colin James Smithells

Walford's concise guide to reference material

By A. J. Walford

Guide to reference books.

By Eugene P. Sheehy