International Symposium on Explosives and Blasting Techniques New Delhi, India, & Institution of Engineers (India). (1990). International Symposium on Explosives and Blasting Techniques, New Delhi, November 17-18, 1990. Institution of Engineers (India).

International Symposium on Explosives and Blasting Techniques New Delhi, India, and Institution of Engineers (India). International Symposium on Explosives and Blasting Techniques, New Delhi, November 17-18, 1990. Calcutta: Institution of Engineers (India), 1990.

International Symposium on Explosives and Blasting Techniques New Delhi, India, and Institution of Engineers (India). International Symposium on Explosives and Blasting Techniques, New Delhi, November 17-18, 1990. Institution of Engineers (India), 1990.