1981-02-27 /BB-P363B-SM_1985/01/mcb/blis16/eislib.obs 1981-12-02 /BB-R595B-SM_11-9-85/01/mcb/v3p0/eislib.obs 1981-12-02 /TOPS-20_V6.1_DECnetSrc_7-23-85/01/mcb/v3p0/eislib.obs