Schaal, R. (1962). Curtain walls: Design manual. Reinhold.
Tohutoru Kātū Chicago (17th ed.)Schaal, Rolf. Curtain Walls: Design Manual. Nueva York: Reinhold, 1962.
Tohutoro MLA (9th ed.)Schaal, Rolf. Curtain Walls: Design Manual. Reinhold, 1962.
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