000 00423nam a2200145Ia 4500
003 CGCRI
005 20140812102648.0
008 140225s2014 xx 000 0 eng d
040 _cCGCRI
_bENG
041 _hENG
100 _aNational Bureau of Standards
245 _aTechniques for ruling and etching precise scales in glass and their reproduction by photoetching with a new light- sensit
260 _c1955
942 _cBK
999 _c2205
_d2205
856 _uhttp://14.139.222.13:80/cgi-bin/koha/opac-detail.pl?biblionumber=2205
_yhttp://14.139.222.13:80/cgi-bin/koha/opac-detail.pl?biblionumber=2205