TY - BOOK ED - United States. TI - SNAP: a tool for nuclear physical protection system modeling PY - 1979/// CY - [Washington, D.C.] KW - Nuclear fuels KW - Safety measures KW - Nuclear facilities KW - Protection N1 - October 1979; "SAND 79-1675."; GPO Historic Shelflist Project- publication not in hand; CRDP Program record ER -