Dear colleagues and friends

Sep 30, 2019

We want to thank you for your participation in SED’19.We would also like to thank for your very interesting and useful oral andposter presentations. It was our pleasure to welcome you to Sofia and spend afew days together. We hope to meet again soon.

We look forward to receiving your articles beforeNovember 30 for publication in a special issue of “Bulgarian ChemicalCommunications”. Instructions about Preparation of Manuscripts you can find onhttps://adm.sed.iees.bas.bg/public_html/shr/ufo/files/Guide_for_Authors.pdfSelected articles can be published in a “ChemicalProblems” journal (www.chemprob.org) following a normal review procedure.