00597nam a22001457a 4500008004100000040005500041080002500096245013000121250001200251260009700263300001300360650002300373653003000396700002500426230331b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aD 778.18(058.7)(410)  aDirectory of British photoreproduction servicesc/ Library Association, Council of Microphotography and Document Reproduction  a2nd ed.  aLondon: bLibrary Association, Council of Microphotography and Document Reproduction, c1964  aiv, 65p.  aMicrofilm services  aPhotomechanical processes  aGreen, Neville (Ed.)