00522nam a2200169 a 450000500170000002000150001708200150003210000160004724500740006326000400013730000180017769000490019596400190024499700120026399900170027595200600029220251203091754.0  a0824720431  a020.3bENC  aKent, Allen  aEncyclopedia of Library and Information science, Vol.43, Supplement-8  aNew YorkbMarcel Dekker, INC.c1988  a395p.c24 cm.  aEncyclopedia-Library and Information science  bEngcdefg_  a84117 C  c52180d52180  00104070aPUbPUd1998-04-08l0o020.3 ENCp84117yBK