Choudhury, Hajra S. K Elements of workshop technology vol. 2, machine tools S. K. Hajra Choudhury and A.K. Hajra Choudhury, - 4th ed. - Bomaby Media Promoters 1981 - vii, 572p. ISBN: 0-906216-02-8 Subjects--Topical Terms: NASA ThesaurusWorkshop technology Universal Decimal Class. No.: 621.7 / CHO