Operation of prototype niobium gravitational radiation antenna with microwave parametric accelerometer D.G. Blair, M.J. Buckingham, C. Edwards, J. Ferreirinho, D. Howe, R. James, F. van Kann et A.G. MannJ. Physique Lett., 40 5 (1979) 113-115DOI: https://doi.org/10.1051/jphyslet:01979004005011300