TY - GEN AU - Sullivan, Donald AU - Zimmerman, J. AU - Ives, J. C2 - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD DA - 1981-05-01 00:05:00 LA - en M1 - Proc. PB - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD PY - 1981 TI - Operation of a Practical SQUID Gradiometer in a Low-Power Stirling Cryocooler ER -