TY  - RPRT
TI  - MINIMIZING SELF-ABSORPTION IN 4 PI BETA-COUNTING.
AU  - N A HALLDEN
AU  - I M FISENNE
PY  - 1963
DO  - 10.1016/0020-708x(63)90035-8
UR  - https://pubmed.ncbi.nlm.nih.gov/14087581/
ID  - 14087581
ER  -