| Lu, J Y; Zou, H; Greenleaf, J F (1994) Biomedical ultrasound beam forming. Ultrasound Med Biol 20:403-28 |
| Lu, J Y; Greenleaf, J F (1993) Producing deep depth of field and depth-independent resolution in NDE with limited diffraction beams. Ultrason Imaging 15:134-49 |
| Song, T K; Lu, J; Greenleaf, J F (1993) Modified X waves with improved field properties. Ultrason Imaging 15:36-47 |
