00294    a2200109   450000100060000008200110000610000190001724500750003626000410011130000090015250000230016188427  aPR 642  aSeh Thapa, K.B  aSchlieren photographs of flow past thin wedge on the supersonic nozzle  aKarachibUniversity of Karachic1970  a40p.  aBE Project Reports