Gibson, J. E. 1., & Marshall, W. T. (1961). The design of cylindrical shell roofs (2nd ed., revised and enlarged.). London: E. & F. N. Spon.
Παραπομπή Chicago StyleGibson, J. E. 1921-, and W. T. Marshall. The Design of Cylindrical Shell Roofs. 2nd ed., revised and enlarged. London: E. & F. N. Spon, 1961.
Παραπομπή MLAGibson, J. E. 1921-, and W. T. Marshall. The Design of Cylindrical Shell Roofs. 2nd ed., revised and enlarged. London: E. & F. N. Spon, 1961.
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