TY  - RPRT
TI  - Differences in straggling for positrons and electrons.
AU  - DP Heddle
AU  - LC Maximon
PY  - 1989
DO  - 10.1103/physrevc.40.1632
UR  - https://pubmed.ncbi.nlm.nih.gov/9966149/
ID  - 9966149
ER  -