Porter, Tom. Manual of graphic techniques 4 : for architects, graphic designer s & artists / Tom Porter and Sue Goodman. - New York : Scribner, c1985. - 128 p. : ill. ; 21 x 28 cm. - Scribner arts library . ISBN: 0684182165 075061627x Subjects--Topical Terms: Graphic arts-- Technique. Dewey Class. No.: 741.6 POR