000 00291nam a22000977a 4500
008 230731b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aF.I.D:
_bManal on document reproduction and selection
260 _c1957
942 _2udc
_cREF
999 _c56336
_d56336