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Practical Law of Architecture, Engineering and Geoscience Second Canadian Edition by Samuels & Sanders (2011 Copyright) + x4 R. t* v; ]' ~4 R8 Q7 c ' B1 P" `* G2 _; `: C# S" uCanadian Professional Engineering and Geoscience: Practice and Ethics Fifth Edition by Gordon C. Andrews (2009 Copyright)5 i, n3 B# a3 O