Soni, P. L. Text book of inorganic chemistry : a modern approach / P. L. Soni and Mohan Katyal. - 20th rev. ed. - New Delhi : Sultan Chand, 1994. - xx, different pages : ill. ; 21 cm. Includes index. 319 319 Subjects--Topical Terms: Chemistry. Dewey Class. No.: 546 / S58t