TY - RPRT TI - LBIR facility: user handbook AU - Datla, R U AU - C, Ebner, S AU - Proctor, J AU - Parr, A C PY - 1991 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST HB 147 DO - 10.6028/NIST.HB.147 ER -