Grishchuk L.P., Sazhin M.V.
Quantum nondemolition measurements
and the problem of gravitational waves detection.
Zh. Exp.  Teor.
Fiz., v. 80, p. 1249 (1981) (russian)


Grishchuk L.P., Sazhin M.V.
Laboratory experiment and quantum
nondemoliton measurements. in:
Modern experimental and
theoretical problems of gravitational theory.
Moscow, MSU Publ.,
(1981) (russian )