00621cam a22002291 4500 sa 65003100 DLC 20260227112121.0 891102s1964 ii ab b 000 0 hino sa 65003100 (OCoLC)20587980 DLC WaU DLC premarc GA105 .S54 Sikand, Prem Chand. Prakriyātmaka bhūgola ke siddhānta. With a foreword by Brij Bhushan. [1964] 2, 208, 108 p. illus., maps. 26 cm. In Hindi. Bibliographical footnotes. Cartography. 62989 62989