TY  - BOOK
AU  - Yarwood,John
TI  - High vacuum technique: theory, practice, industrial applications and properties of materials 
T2  - High Vacumm Technique
AV  - TJ940 Y37 1961
PY  - 1961///
CY  - New York, N. Y.
PB  - John Wiley
N1  - Bibliografia: p. 201
ER  -