00497cam a22001814 4500 tmp96023079 DLC 20260227112756.0 091203s1972 xx 000 0brus tmp96023079 DLC DLC DLC T6 .V67 1972 Voronezhskiĭ politekhnicheskiĭ institut. Materialy Nauchno-tekhnicheskoi konferentsii. 1972. 437 p. : with ill. ; 21 cm. Includes bibliographies. 91245 91245