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  1. 1979-12-01 Appropriate technologies for development, Action Peace Corps. No. R-34 158 pages, illustrated, photos
  2. 1998-03-01 Cob (an old English word for lump) is old-fashioned concrete, made out of a mixture of clay, sand, and straw. Becky Bee's manual is a friendly guide to making your own earth structure, with chapters on design, foundations, floors, windows and doors, finishes, and of course, making glorious cob....