Bob’s Notebook: Jumping Backwards Relatively Speaking AuthorsBob MitchellPublicationSinc-LinkPub DetailsSinc-Link v7 n3Volume: 7 Issue: 3DateMay/June 1989Pages21Read the articleSee all articles from Sinc-Link v7 n3 TagsSinc-Link TS 2068 Type-in program PeopleBob Mitchell