000 00405nam a2200169Ia 4500
005 20250619144852.0
008 250619s9999||||xx |||||||||||||| ||und||
020 _c25
040 _aMAIN
041 _aEnglish
082 _a540
_bEVA
245 0 _aEvaluation in chemistry
_b: report of international workshop
260 _b; Unesco
_c, 1968
300 _a160p.
650 _aChemistry
942 _cBK
999 _c114660
_d114660