Article

Srivastava , Sunil and Sinha, Sanjiv and Bandopadhyay, L.K. and Thakur, P.N. (1991) Microprocessor based switching of intrinsically safe power surface to underground methane sensor in down link and data from underground to surface in uplink on same pair of conductors. Research and Industry , 36 (4). pp. 268-270. ISSN 0034-513 X