00870nam|a2200193 i 450000500170000000800410001702000150005803500150007305000210008824501530010925000120026226000730027430000110034750000480035850501240040665000440053065000270057471000750060120260818143304.0041018s1992    us      r    0000|0 eng d  a1559372044  a.b1036186800aQA75.5bI54 199200aInformation technology - Local and metropolitan area networks /bsponsor Technical Committee on Computer Communications of the IEEE Computer Society  a3rd ed.  aNew York :bInstitute of Electrical and Electronics Engineers,c1992  a  pts.  aInternational Standard ISO/IEC 8802-3: 19920 aPt. 3. Carrier sense multiple access with collision detection (CSMA/CD) access method and physical layer specifications 0aLocal area networks (Computer networks) 0aInformation technology2 aIEEE Computer Society.bTechnical Committee on Computer Communications