00468nam a2200133Ia 450000500170000008000190001724501320003626000720016830000110024050000340025158300190028594200130030499900170031720260716043053.0  a08.05.02 I59su  aSupplements to carrier sense multiple access with collision detection (CSMA/CD) access method and physical layer specifications  bInstitute of Electrical and Electronics EngineersaNew YorkUSc1987  a168 p.  aAn American national standard  c3/7/00kM2LMGR  cMmI59su  c39771d39771