1. T. Nakamura, M. Ohashi, and N. Mio ,Juuryokuha wo toraeru (Catching the Gravitational Wave), Kyoto University Press, Kyoto (1998).
2. LISA Study Team ,Laser Interferometric Space Antenna: A Cornerstone Mission for the Observation of Gravitational Waves, European Space Agency, ESA-SCI (2000).
3. The Japanese space gravitational wave antenna—DECIGO