TY - GEN AU - Krautkramer, Josef AU - Krautkramer, Herbert AU - Zenzinger, B.W. TI - Ultrasonic testing of materials SN - 0387077162 PY - 1977/// CY - Berlin PB - Springer-Verlag KW - ULTRASONIC TESTING N1 - 2nd English edition based on the 3rd rev. German ed ER -