1984-02-15 /SRI_NIC_PERM_SRC_1_19910112/01/5-3-monitor/tcpcrc.mac 1984-09-17 /BB-H311D-RM/01/arpanet-sources/tcpcrc.mac 1984-09-17 /SRI_NIC_PERM_SRC_1_19910112/01/6-monitor/tcpcrc.mac 1985-06-05 /BB-EV84A-SM_1985/01/monitor-sources/tcpcrc.mac 1985-08-11 /SRI_NIC_PERM_SRC_1_19910112/01/6-1-monitor/tcpcrc.mac 1985-08-11 /SRI_NIC_PERM_SRC_3_19910112/01/monitor/tcpcrc.mac 1988-06-02 /bb-m780d-sm/01/tcp-monitor-sources/tcpcrc.mac 1988-06-02 /tops20_version7_0_monitor_sources_clock/01/tcp-monitor-sources/tcpcrc.mac