TY  - BOOK
AU  - Washtell, C. C. H. 
TI  - An introduction to radiation counters and detectors
T2  - Newnes' Practical Science Series
PY  - 1958///
CY  - London
PB  - George Newnes Ltd.
KW  - DetectorsGeiger-muller TubesRadiation Counters
ER  -