TY - CPAPER AU - Sam Richman AU - D. Newell AU - R. Stebbins AU - Peter Bender AU - James Faller CY - Stanford, USA N1 - JILA Pub. 5342 PB - World Scientific PP - Stanford, USA PY - 1996 SN - ISBN-10: 9810220642 | ISBN-13: 978-9810220648 TI - Active/passive vibration isolation at 1 Hz and above. Part II: Second stage ER -