1. Aleksandrov, K.S. and Aizenberg, L.A.: 1967,Dokl. Akad. Nauk SSSR 167, 1028.
2. Aleksandrov, K.S., Alchikov, U.V., Belikov, B.P., Zaslavskii, B.I. and Krupnyi, A.I.: 1974, ?Velocities of Elastic Waves in Minerals at Atmospheric Pressure and Increasing Precision of Elastic Constants by Means of EVM (in Russian)?,Izv. Acad. Sci. USSR, Geol. Ser. 10, 15?24.
3. Anderson, D.L., Minster, B. and Cole, D.: 1974, ?The Effect of Oreinted Cracks on Seismic Velocities?,J. Geophys. Res. 79, 4011?4016.
4. Ass'ad, J.M., Tatham, R.H. and McDonald, J.A.: 1992, ?A Physical Model Study of Microcrack-Induced Anisotropy?,Geophysics 57, 1562?1570.
5. Babuska, V. and Pros, Z.: 1984, ?Velocity Aniostropy in Granodiorite and Quartzite due to the Distribution of Microcracks?,J. R. Astron. Soc. 76, 121?127.