TY - BOOK AU - Lawrence,Kenneth ED - Center for Compliance Information (Aspen Systems Corporation) TI - Noise control in the workplace SN - 089443084X U1 - 620.23 19 PY - 1978/// CY - Germantown, Md. PB - Aspen Systems Corp. KW - Noise control KW - Industrial noise N1 - Includes index ER -