00463nam a22001337a 4500008004100000040005500041080002100096245007900117260005900196300001000255650002400265653001200289700002800301230331b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aD 778.14:771bL3  aGuide to microreproduction equipmentc/ The National Microfilm Association  aMaryland: bThe National Microfilm Association, c1973  a138p.  aInformation science  aMeeting  aBallou, Hubbard W (Ed.)