HPLC 2017, Prague - June 17, Short courses and beer
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Vytvořeno: 17/06/2017 14:13; Canon EOS 70D, lens: EF70-200mm f/4L IS USM @, f=7.1, exp.time: 1/160 s, ISO: 6400
IMG_9410.jpg
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Ivan Miksik (c) 2017 www.natureblink.com