00400nam a2200145Ia 4500008004100000082001600041100001900057245002200076250000600098260005400104300000800158650001600166650003700182653003500219170901s1996    xx            000 0 und d  a025.5bK97R  aKumar, Krishan 0aReference Service  a5  aNew DelhibVikas Publishing House Pvt. Ltd.c1996  a446  aGneralities  aLibrary and Information sciences  aReference services (Libraries)