@misc{768506,
  author = {Donald Sullivan and J. Zimmerman and J. Ives},
  title = {Operation of a Practical SQUID Gradiometer in a Low-Power Stirling Cryocooler},
  year = {1981},
  number = {Proc.},
  month = {1981-05-01 00:05:00},
  publisher = {Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD},
  language = {en},
}