APA
Krautkrämer J., Krautkrämer H., . (1990). Ultrasonic testing of materials. Berlin ; New York: Springer-Verlag.
Chicago
Krautkrämer Josef, Krautkrämer Herbert, . 1990. Ultrasonic testing of materials. Berlin ; New York: Springer-Verlag.
Harvard
Krautkrämer J., Krautkrämer H., . (1990). Ultrasonic testing of materials. Berlin ; New York: Springer-Verlag.
MLA
Krautkrämer Josef, Krautkrämer Herbert, . Ultrasonic testing of materials. Berlin ; New York: Springer-Verlag. 1990.