00310nam a2200121Ia 4500003000400000008004100004020001400045040000800059100001600067245006400083260003400147300000700181LDD181029s9999    xx            000 0 und d  a824720024  cLDD  aKent, Allen 0aEncyclopedia of library and information sciencecAllen Kent  aNew YorkbMarcel Dekkerc1971  av.