TY  - CONF

T1  - TEST PATTERNS (PHANTOMS) FOR VIDEO SYSTEMS

JO  - RADIATION PROTECTION DOSIMETRY

PY  - 1993/01/01

AU  - GRAY JE

AU  - HARSHBARGER JH

ED  - 

VL  - 49

IS  - 1-3

SP  - 257

EP  - 260

Y2  - 2025/11/25

ER  -