- Bibcode:1980Oecol..45..285S. doi:10.1007/BF00346472. PMID 28309542. S2CID 32817424.
Ssymank, Axel; Kearns, C. A.; Pape, Thomas; Thompson, F.
Christian (1
April 2008)...
- Axel M.
Ssymank;
Wouter van Steenis;
Jeffrey H. Skevington;
Andrew D. Young;
Chris J. Palmer;
Menno P. van Zuijen;
Brigitte Lechner-
Ssymank; Shiuh-Feng...
- Zoology. 3 (4): 339–350. doi:10.1080/03014223.1976.9517924. ISSN 0301-4223.
Ssymank, Axel; Kearns, C. A.; Pape, Thomas; Thompson, F.
Christian (April 2008)...
-
numbering system of the
lower levels, however. From 1992 to 1994, Axel
Ssymank revised the
major unit
groups 01-90
under the
direction of the BfN. Most...
- (1 ed.).
Academic Press. p. 25. ISBN 9780128164099. ISBN 9780128172681.
Ssymank, Axel; Kearns, C. A.; Pape, Thomas; Thompson, F.
Christian (2008). "Pollinating...
- Axel M.
Ssymank;
Wouter van Steenis;
Jeffrey H. Skevington;
Andrew D. Young;
Chris J. Palmer;
Menno P. van Zuijen;
Brigitte Lechner-
Ssymank; Shiuh-Feng...
-
fenestrata (Macquart, 1842)
Platycheirus ferrumitarsis (Steenis, Young,
Ssymank, Wu,
Shiao & Skevington, 2019)
Platycheirus fimbriatus (Loew, 1871) Platycheirus...
- London:
British museum (Natural History). pp. 1–1436. ISBN 0565-00821-8.
Ssymank, Axel (2010). "Review of the
species of
Betasyrphus Matsumura, 1917 (Diptera:...
- Bibcode:2009JNatH..43..939R. doi:10.1080/00222930802610576. ISSN 1464-5262.
Ssymank, Axel; Kearns, C. A.; Pape, Thomas; Thompson, F.
Christian (2008). "Pollinating...
- Belgien,
Studentenbibliothek 24), Mönchengladbach, 1916 Schulze, Friedrich,
Ssymank, Paul, Das
deutsche Studententum von den ältesten
Zeiten bis zur Gegenwart...