0 r. b( |% S0 M" r0 c1 s `Practical Law of Architecture, Engineering and Geoscience Second Canadian Edition by Samuels & Sanders (2011 Copyright) ; M* W2 A1 X; _1 R9 C2 B6 p6 W " I6 b& A# n9 Y) a) s! jCanadian Professional Engineering and Geoscience: Practice and Ethics Fifth Edition by Gordon C. Andrews (2009 Copyright)3 U! Z$ h7 ]9 x$ m1 U