TY - BOOK AU - Alex, A.V. TI - Ultrasonic measurement of the elastic constants of selected nonlinear optical / semiofganic crystals with orthorhombic cymmetry PY - 2001/// CY - Kochi PB - Dept of Instramentation - CUSAT KW - Vibrations KW - Pitch KW - Ultrasonic Vibrations KW - Guide : Jacob Philip N1 - Guide : Jacob Philip Thesis (Ph.D), CUSAT, 2001 ER -