Nagpal, D. R. Vaidyut abhiyaantrikee / D. R. Nagpal. - 7th ed. - New Delhi : Standard Publishers Distributors, 2013. - 2 vols. ; various pagination : 23 cm. Includes indexes. ISBN: 8180141836 (v. 1.) 8180141411 (v. 2.) Subjects--Topical Terms: Hindi Collection Dewey Class. No.: 621.3 / NAG/V