TY  - RPRT
TI  - INSTRUMENTAL AND TECHNICAL NOTES: A PLANNING DEVICE FOR USE WITH BEAM DIRECTION SHELLS.
AU  - H BESFORD
AU  - A SIVYER
AU  - E W BRAIN
PY  - 1964
DO  - 10.1259/0007-1285-37-437-391
UR  - https://pubmed.ncbi.nlm.nih.gov/14142547/
ID  - 14142547
ER  -