Betts, D. S. (1976). Refrigeration and thermometry below one Kelvin. Sussex University.
Chicago Edition CitationBetts, D S. Refrigeration and Thermometry Below One Kelvin. Sussex: Sussex University, 1976.
MLA Edition CitationBetts, D S. Refrigeration and Thermometry Below One Kelvin. Sussex University, 1976.
Warning: These citations may not always be 100% accurate.