Tupkary, R. H. Introduction to modern steel making / R. H. Tupkary and V. R. Tupkary. - 7th ed. - Delhi : Khanna Publishers, 2014. - 517 p. : ill. ; 22 cm. Include index. ISBN: 978-8174090263 (pbk.) 8174090266 (pbk.) Dewey Class. No.: 669.142 / TUP/I