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Commission of the European Communities. Directorate-General for Science, Research and Development, John R. Goulding, J. Owen Lewis, and T. C. Steemers. Energy in Architecture: TheEuropean Passive Solar Handbook. Rev. ed. London: B.T. Batsford for the Commission of the European Communities, Directorate General XII for Science, Research and Development, 1992.

Commission of the European Communities. Directorate-General for Science, Research and Development, et al. Energy in Architecture: TheEuropean Passive Solar Handbook. Rev. ed. B.T. Batsford for the Commission of the European Communities, Directorate General XII for Science, Research and Development, 1992.