TY  - RPRT
TI  - Letter Circular 1012: light-sensitive paper, directions for use in testing textiles for colorfastness to light
PY  - 1953
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 1012
DO  - 10.6028/NBS.LCIRC.1012
ER  -