Vol. 41 No. 405 (1990)

Editorial

• [es] Editorial

  Juan José Santos Guerras

  3

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Research Articles

• [es] Progress made in heavy hanging roofs

  Juan José Santos Guerras

  5-18

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• [es] Topographical equipment in the eighteenth century

  Teresa Sánchez Lázaro

  19-24

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• [es] Evaluation of quality control of materials in building structures carried out in Cantabria during the five-year period 1984-1988

  Luis Villegas Cabredo

  27-34

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• [es] Relevant topics for the design of nuclear power plants

  Miguel Díaz-Llanos Ros, Manuel Linares Moya, Carlos Sánchez Ortiz

  35-44

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• [es] Contamination of stone façades by atmospheric pollution. The case of Valladolid, Spain

  Francisco Javier León Vallejo

  45-72

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Bibliography

• [es] Bibliografía

  Equipo Editorial

  73-74

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News

• [es] Noticias

  Equipo Editorial

  75-83

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• [es] Carta del Restauro 72

  Equipo Editorial

  87-95

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• [es] Carta de Quito

  Equipo Editorial

  97-98

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