TY - BOOK AU - Jefferson,R.H. AU - Khalafalla, S. ED - United States. TI - Gas diffusion membrane electrode to determine SO2 in presence of SO3 T2 - Bureau of Mines PY - 1976/// CY - [Washington] PB - U.S. Department of the Interior. Bureau of Mines KW - Sulphur dioxide KW - Sulphur trioxide KW - Diffusion ER -