HPLC 2017, Prague - June 17, Short courses and beer
Vytvořeno: 17/06/2017 18:56; Canon EOS 70D, lens: EF-S18-135mm f/3.5-5.6 IS USM @, f=3.5, exp.time: 1/200 s, ISO: 6400
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Ivan Miksik (c) 2017 www.natureblink.com