[time-nuts] Thinking outside the box a super reference

[Tom Van Baak]

Attila, PHK, et al --

Rb maser proposal, including some photos. 3 PDF's, 175 pages of weekend reading:

https://archive.org/details/NASA_NTRS_Archive_19720025867

https://archive.org/details/NASA_NTRS_Archive_19730017775

https://archive.org/details/NASA_NTRS_Archive_19750006044

/tvb