Conference 70 years of Botanical Garden of Pavol Jozef Šafárik University, Slovakia, the history and the present of the botanical research and nature conservation book of abstracts, Slovakia, Košice 3.-4. September 2020. -- Košice : Univerzita Pavla Jozefa Šafárika, 2020. -- 42 s. -- ISBN 978-80-8152-878-1 (brož.). -- ISBN 978-80-8152-879-8 online. https://unibook.upjs.sk/sk botanické záhrady * botanický výskum * botanika * dejiny botaniky