TY - CONF AU - Ginley, Ronald AU - Allred, C C2 - 1.25 MHz Attenuation Measurement System, Boulder, CO, USA DA - 1986-03-01 00:03:00 LA - en PB - 1.25 MHz Attenuation Measurement System, Boulder, CO, USA PY - 1986 TI - 1.25 MHz Attenuation Measurement System ER -