TY  - RPRT
TI  - Computer code for the calculation of thermal neutron absorption in spherical and cylindrical neutron sources 
AU  - Spiegel, V
PY  - 1971
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 576
DO  - 10.6028/NBS.TN.576
ER  -