Thermodynamics of moisture sorption in tobacco (Nicotiana tabacum L.) seeds Nesho Toshkov, Lazar Lazarov, Venelina Popova, Tanya Ivanova and Nikolay Menkov E3S Web Conf., 207 (2020) 01019 Published online: 18 November 2020 DOI: 10.1051/e3sconf/202020701019