TY - CONF AU - David Cooper C2 - Security and Privacy, Symposium | 21st | | IEEE DA - 2000-05-01 LA - en PB - Security and Privacy, Symposium | 21st | | IEEE PY - 2000 TI - A More Efficient Use of Δ-CRLs UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=151218 ER -