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- [4] ON THE ULTIMATE RESOLUTION ATTAINABLE WITH HREM INSTITUTE OF PHYSICS CONFERENCE SERIES, 1988, (93): : 349 - 350
- [5] DEVICE FOR AUTOMATIC PROTECTION OF A DIFFUSION VACUUM PUMP INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1945, 17 (10): : 670 - 670
- [6] SMALL OIL DIFFUSION TYPE VACUUM PUMP REVIEW OF SCIENTIFIC INSTRUMENTS, 1945, 16 (06): : 153 - 153