TY  - BOOK
AU  - Betts, D. S
TI  - An introduction to millikelvin technology
SN  - 9780521344562
U1  - 536.56 BET 
PY  - 1989///
CY  - Cambridge
PB  - Cambridge Univeristy Press
KW  - Low temperatures - Measurement
N1  - Includes index. Bibliography: p. [96]-100
ER  -