@book{1968--afips-33
,title={{AFIPS conference proceedings, volume 33, part one: 1968 Fall Joint Computer Conference, December 9--11, 1968, San Francisco, California}}
,booktitle={{AFIPS conference proceedings, volume 33, part one: 1968 Fall Joint Computer Conference, December 9--11, 1968, San Francisco, California}}
,publisher={Thompson Book Company}
,address={Washington}
,year={1968}
}