00383nam a2200145Ia 4500 230917s9999||||xx |||||||||||||| ||und|| 68946 MAIN English 530 L496S:N Sanchez-Palencia, Enrique Non-homogeneous media and vibration theory Berlin Springer-Verlag 1980 ix, 398 p. BK 0 0 0 530_000000000000000_L496SN 0 352177 MAIN MAIN 2003-01-28 0 530 L496S:N 83420 2023-09-17 22:08:51 2023-09-17 BK 218619 218619