TY  - BOOK
AU  - Dennis, N. T. M.
AU  - Heppell, T. A.
TI  - VACCUM SYSTEM DESIGN
U1  - 621.55 
PY  - 1968///
CY  - London
PB  - Chapman & Hall
KW  - Vacuum-Pumps
KW  - Vaccum Technology
N1  - Includes Bibliographies
ER  -