@conference{779941,
  author = {J. Zimmerman},
  title = {Cryocoolers for Geophysical SQUID Magnetometers},
  year = {1980},
  month = {1980-06-01 00:06:00},
  publisher = {Proc., SQUID Geophysics Workshop, Los Alamos, NM, USA},
  language = {en},
}