TY - RPRT TI - Integrated services digital network conformance testing AU - Stokesberry, Daniel P AU - Stokesberry, Daniel P AU - Collica, Leslie AU - Roberts, Kathleen M PY - 1993 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST SP 823-4 DO - 10.6028/NIST.SP.823-4 ER -