Vengsarkar, B. R. Spectrographic analysis of boron hitride for trace im purities / B. R. Vengsarkar, I. J. Machado and S. K. Malhotra - Bombay : Bhabha Atomic Research Center, 1972 - 9 p. : ill ; 28 cm. Previous name of the publisher : A. E. E. T Subjects--Topical Terms: Generalities--Atomic Energy--India Dewey Class. No.: 539.7