31st international congress of pure and applied chemistry, July 13-18, 1987, Sofia, Bulgaria
International congr. of pure and applied chemistry (31 ; Sofia ; 1987)
31st international congress of pure and applied chemistry, July 13-18, 1987, Sofia, Bulgaria : Invited lectures : Sect. 1-9 - Sofia : Publishing House of the Bulgarian Academy of Sciences, 1987. - 24 см
Предметни рубрики: Химия ;
54(061.3) + 66(061.3) +
31st international congress of pure and applied chemistry, July 13-18, 1987, Sofia, Bulgaria : Invited lectures : Sect. 1-9 - Sofia : Publishing House of the Bulgarian Academy of Sciences, 1987. - 24 см
Предметни рубрики: Химия ;