00498nam a2200133Ia 4500082002400000100013400024240005000158245007400208260005600282300001000338500000500348653000600353700000500359  a338.47669bSy989.PP  aSymposium on Pilot Plants in Metallurgical Research and Development, National Metallurgical Laboratory, Jamshedpur, Feb. 15, 1960  aNational Metallurgical Laboratory, Jamshedpur  aPilot plants in metallurgical research and development, proceedingsb  aJamshedpurbNational Metallurgical Laboratoryc1960  a304p.  a  a   a