TY  - BOOK
AU  - Allkofer, Otto Claus.
AU  - Dau, Wolf-Dieter.
AU  - Grupen, Claus.
TI  - Spark chambers
U1  - 539.77 ALL 
PY  - 1969///]
CY  - Munchen
PB  - K. Thiemig
KW  - Spark chamber
N1  - Includes bibliographical references
ER  -