00422nam a22001573 4450000100060000001000180000610000410002410100080006510200070007320000750008021000250015521500220018067500240020270000200022670100180024691405  a5-7030-0013-0  a20130928              frey50          arus  aRU  aDel΄taplanyeUstrojstvo del΄taplana. Teoriâ poleta. Meieorologiâ  aMoskvacDOSAAFd1989  a272 s.c16 l. il.  a629.734.3 : 797.551  aKoz΄minbV. V.  aKrotovbI. V.