Tickoo, Sham Siemens Nx 2021 for Engineers & Designers / Sham Tickoo - 1st ed. - New Delhi Bpb Publications c2021 - xxv, (various pages) : ill. ; 24 cm. Includes index ISBN: 9789391392390 Subjects--Topical Terms: Engineering Dewey Class. No.: 620.0042029 / TIC