"What is a Gyrotron?". Learn about DNP-NMR spectroscopy. Bridge 12 Technologies. Archived from the original on ஜூலை 14, 2014. Retrieved July 9, 2014. {{cite web}}: Check date values in: |archive-date= (help)
"What is a Gyrotron?". Learn about DNP-NMR spectroscopy. Bridge 12 Technologies. Archived from the original on ஜூலை 14, 2014. Retrieved July 9, 2014. {{cite web}}: Check date values in: |archive-date= (help)