TY - GEN AU - Shahzad Zafar; Prof Salman Hafeez and Salman absa5r (Advisors) TI - Setting of schlieren system with modified monochromatic light and study of objects in compressable flow using video recorder U1 - PR 1012 PY - 1990/// CY - Karachi PB - NED University N1 - BE Project Reports ER -