Roy, Kali Pada, 1925- Elements of mechanical engineering [by] K. P. Roy and S. K. Hajra Choudhury, in collaboration with S. C. Bhattacharya. - Bombay, New York, Asia Publishing House [1964?] - xii, 359 p. illus. 22 cm. Bibliography: p. xii. LCCN: sa 65002364 Nat. Bib. No.: GB64-16409 Subjects--Topical Terms: Mechanical engineering. LC Class. No.: TJ146 / .R68