Sharma,K.K Radar,sonar and navigation engineering [[Book] /] K.K.Sharma. - 2nd ed. - new delhi : S.K. KATARIA&SONS, 206. - xi,467p : ill ; 25 cm. ISBN: 8188458716 Subjects--Personal Names: engineering Dewey Class. No.: 620 National Library of Medicine Call No.: 620 / SR