TY - GEN AU - Fitzgerald,J.J. AU - Detwiler,C.G. ED - United States Atomic Energy Commission TI - Collection efficiency of air-cleaning and air-sampling filter media PY - 1954/// CY - Oak Ridge, Tenn. : PB - Technical Information Service N1 - March 15, 1954 Knolls Atomic Power Laboratory, Schenectady, New York ER -