00371nam a2200121 a 450000500170000002000150001708200150003210000200004724500740006726000390014130000180018063000510019820251203091754.0  a0824720555  a020.3bENC  aKent, Allen Ed.  aEncyclopedia of Library and Information science,Vol.55, Supplement-18  aNew YorkbMarcel Dekker,INC.c1995  a377p.c24 cm.  aEncyclopedia - Library and Information science