00293nam a2200097Ia 4500008004100000082002100041100004200062245006300104264001700167300001100184200526s9999||||xx |||||||||||||| ||und||  a507.209 54 RAJ S  aRajagopalan, T.S. , Satyanarayana, R. 4aThe Directory of Scientific Research Institutions in India  bInsdocc1969  a1120p.