00299 am a2200121 4500001000500000005001700005008004100022020001500063040002700078100002500105245002500130260002200155430620260327110138.0 s1990 xr ---------u-------cze d a8003005000 aGJHKNbczeerdacGJHKN1 aVečeřa, Zdeněk10aChemie pro všechny aPrahabSNTLc1990