00579nam a22002057a 450000500170000001000110001702000100002803500110003803700160004904000120006508200130007710000250009024501140011526000420022927000110027130000200028250000190030265000200032165000320034120170124105915.0  a020054  c00.00  a020054  bCen Lib/Ret  aDPLbEN  a010bCOL  aCollision, Robwrt L.  aBibliographies subeject and national :cby Robwrt L. Collisionba guide to their contents,arrangement and use  aLondonbCrosby Lockwood and Sonc1951  bLondon  a172p.c22cm(Hb)  aincludes index  aLibrary Science  aLibrary Information science