W. Littmann
发表
J. Wallaschek,
H. Storck,
W. Littmann,
2002,
Ultrasonics.
Jörg Wallaschek,
W. Littmann,
Heiner Storck,
2001
.
W. Sextro,
T. Hemsel,
W. Littmann,
2020,
Actuators.
W. Sextro,
T. Hemsel,
W. Littmann,
2018
.
Joerg Wallaschek,
Heiner Storck,
Walter Littmann,
2001,
SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring.
T. Morita,
T. Hemsel,
W. Littmann,
2010
.
W. Littmann,
Ruth Geiss-Friedlander,
R. Kiefersauer,
2021,
Journal of applied crystallography.