00239nam a22000977a 4500 256680 256679 180213b xxu||||| |||| 00| 0 eng d 978142391203 1423912039 Gary B Shelly Discovering computers 2008 0 0 lcc 0 QA00765 S457 02008 0 NFIC 11418 40404 40404 GEN 2018-02-13 6 QA76.5.S457 2008 201618036 2018-08-06 2018-08-06 00:00:00 2018-08-06 2018-02-13 BK