00396nam a2200145Ia 4500008004100000082001800041100001900059245003200078260004100110300000800151650001600159650003700175653002200212653001600234170901s1975    xx            000 0 und d  a025.129bP74I  aPrasher, R. G. 0aIntroduction to Reprography  aDelhibResearchco Publicationsc1975  a147  aGneralities  aLibrary and Information sciences  aCopying processes  aReprography