TY  - RPRT
TI  - Computation of a modified Fresnel integral arising in the theory of diffraction by a variable screen 
AU  - Walters, Lillie C
PY  - 1964
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 224
DO  - 10.6028/NBS.TN.224
ER  -