1. 01.03.1998 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....
  2. 01.12.1979 Appropriate technologies for development, Action Peace Corps. No. R-34 158 pages, illustrated, photos