Marrin, Chris. Teach yourself VRML 2 in 21 days / Chris Marrin, Bruce Campbell. - New Delhi : Techmedia, 1997. - xviii, 479 p. ISBN: 8187105763 : KES 2,580 Subjects--Topical Terms: VRML (Computer program language) LC Class. No.: QA76.76 / .H94M37