by Tonkov, Spassimir
Published in Silva Balcanica (Sofia) (31.12.2021)

by Marinova, Elena, Lazarova, Maria, Ivanov, Dimiter, Tonkov, Spassimir
Published in Acta Palaeobotanica (2023)

by Tonkov, Spassimir, Bozilova, Elissaveta, Possnert, Goran
Published in Central European journal of biology (2013)

by Tonkov, Spassimir
Year of Publication 21.07.2021

by Lazarova, Maria, Tonkov, Spassimir, Ivanov, Dimiter
Published in Proceedings of the Bulgarian Academy of Sciences (31.03.2024)

by Tonkov, Spassimir, Heiri, Oliver, Lotter, Andre
Published in Grana (04.07.2022)

by Tonkov, Spassimir
Published in Quaternary international (16.11.2012)

by Tonkov, Spassimir, Possnert, Göran
Published in Grana (03.09.2021)

by Tonkov, Spassimir, Possnert, Göran, Marinova, Elena
Published in Grana (02.01.2023)

by Tonkov, Spassimir, Marinova, Elena, Feurdean, Angelica
Published in Grana (03.09.2019)

by Tonkov, Spassimir
Published in Vegetation history and archaeobotany (01.05.2012)

by Tonkov, Spassimir, Possnert, Goran, Bozilova, Elissaveta
Published in Grana (02.09.2020)

by Tonkov, Spassimir, Marinova, Elena, Feurdean, Angelica
Published in Grana (04.03.2018)

by Marinova, Elena, Tonkov, Spassimir, Bozilova, Elissaveta, Vajsov, Ivan
Published in Vegetation history and archaeobotany (01.08.2012)

by Tonkov, Spassimir, Bozilova, Elissaveta, Possnert, Goran
Published in Holocene (Sevenoaks) (01.01.2016)

by Heiri, Oliver, Brooks, Stephen J, Renssen, Hans, Bedford, Alan, Hazekamp, Marjolein, Ilyashuk, Boris, Jeffers, Elizabeth S, Lang, Barbara, Kirilova, Emiliya, Kuiper, Saskia, Millet, Laurent, Samartin, Stéphanie, Toth, Monika, Verbruggen, Frederike, Watson, Jenny E, van Asch, Nelleke, Lammertsma, Emmy, Amon, Leeli, Birks, Hilary H, Birks, H John B, Mortensen, Morten F, Hoek, Wim Z, Magyari, Enikö, Muñoz Sobrino, Castor, Seppä, Heikki, Tinner, Willy, Tonkov, Spassimir, Veski, Siim, Lotter, André F
Published in Nature communications (11.09.2014)

by Feurdean, Angelica, Tonkov, Spassimir, Pfeiffer, Mirjam, Panait, Andrei, Warren, Dan, Vannière, Boris, Marinova, Elena
Published in European journal of forest research (01.12.2019)

by Feurdean, Angelica, Diaconu, Andrei-Cosmin, Pfeiffer, Mirjam, Galka, Mariusz, Hutchinson, Simon M, Butiseaca, Geanina, Gorina, Natalia, Tonkov, Spassimir, Niamir, Aidin, Tantau, Ioan, Zhang, Hui, Kirpotin, Sergey
Published in Climate of the past (03.06.2022)

by Bozilova, Elissaveta, Tonkov, Spassimir
Published in Grana (01.09.2011)

by Tonkov, Spassimir, Possnert, Göran, Bozilova, Elissaveta, Marinova, Elena, Pavlova, Dolja
Published in Review of palaeobotany and palynology (01.03.2018)