00872nam0-22003011i-450-99000050330040332120070924161219.0000050330FED01000050330(Aleph)000050330FED0100005033020020821d1971----km-y0itay50------baengrusa-------001yySchlieren methodsL. A. Vasil'evNew York ; Jerusalem ; LondonIsrael Program for scientific translations1971367 p.ill.24 cmMetodo schlieren (Ottica)metodo strioscopicoDiffrazione681.4Vasil'ev,L.A.335480ITUNINARICAUNIMARCBK99000050330040332110 B III 368017DINELDINELSchlieren methods119267UNINA