Indian Vacuum Society
R. Krishnan , Ch. Venkateswarlu , S.P. Mhaskar

Bannenberg, J. G. (1983). Problems in attaining ultrahigh vacuum. In R. Krishnan, C. Venkateswarlu, & S. P. Mhaskar (Eds.), Proceedings of the International Symposium on Vacuum Technology & Nuclear Applications, Bhabha Atomic Centre Bombay, December 6-9, 1983 (pp. 261–272).