| Item Description: | At head of title: B.S. Khorev |
|---|---|
| Physical Description: | 413 p with diagrs., 4 . of diagrs. and maps. 21 cm. 413 p with diagrs., 4 l. of diagrs. and maps. 21 cm. 413 p with diagrs., 4 ℓ. of diagrs. and maps. 21 cm. 413 pages : with diagrams, 4 leaves of diagrams and maps ; 21 cm 413 pages with diagrams, 4 leaves of diagrams and maps 21 cm 413 pages, 4 leaves of diagrams and maps : with diagrams ; 21 cm |
| Bibliography: | Includes bibliographical references |