Ayers, Chesley
Specifications for architecture, engineering and construction
McGraw-Hill, 1984
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Ayers, Chesley
Specifications: for architecture, engineering, and construction
McGraw-Hill , 1975
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Ayers, Chesley
Specifications for architecture, engineering and construction
McGraw-Hill, 1984
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Seeley, Ivor H.
Civil engineering contract administration and control/ Ivor H. Seely
Macmillan Press, 1993
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Betty, John Galtress, 1922-
Engineering contracts : a practical guide
McGraw-Hill, 1993
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