Simmons, C. H. The Essential Guide to Technical Product Specification Engineering Drawing Colin Simmons and Neil Phelps. - London : BSI, 2009. - vii, 195 p. : ill. ; 30 cm. ISBN: 9780580626739 (pbk.) : No price Subjects--Topical Terms: Mechanical drawing--Great Britain.Mechanical drawing--Standards--Great Britain.Technology. Dewey Class. No.: 604.2