000 00499nam a22001577a 4500
008 230501b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _a54:003.62(5)
_bK5
100 _aFrear, Donald E H
_91191
245 _aSurvey of European non-conventional chemical notation systems
260 _aWashington:
_bNational Academy of Sciences,
_c1965
300 _aiv, 78p.
490 _aPublication 1278
650 _aSurvey
942 _2udc
_cREF
999 _c25503
_d25503