https://publications-cnrc.canada.ca/eng/view/object/?id=4e37bd69-1e03-4661-b919-71a7c5f0dcee
Absolute frequency measurement of the sP(8,6) transition of15NH3 - NRC Publications Archive -...
Absolute frequency measurement of the sP(8,6) transition of15NH3
https://nrc-publications.canada.ca/eng/view/object/?id=4e37bd69-1e03-4661-b919-71a7c5f0dcee
Absolute frequency measurement of the sP(8,6) transition of15NH3 - NRC Publications Archive -...
Absolute frequency measurement of the sP(8,6) transition of15NH3