| Fish leeches of Poland in relation to the Palaearctic piscicolines [Hirudinea: Piscicolidae: Piscicolinae] A Bielecki Genus. International Journal of Invertebrate Taxonomy 8 (2), 1997 | 74 | 1997 |
| Coexistence of Placobdella costata (Fr. Müller, 1846) (Hirudinida: Glossiphoniidae) and mud turtle Emys orbicularis A Bielecki, JM Cichocka, A Jabłoński, I Jeleń, E Ropelewska, ... Biologia 67, 731-738, 2012 | 43 | 2012 |
| A checklist of leech species from Poland A Bielecki, JM Cichocka, I Jeleń, P Świątek, Z Adamiak-Brud Wiadomości Parazytologiczne 57 (1), 11-20, 2011 | 37 | 2011 |
| Oogenesis in four species of Piscicola (Hirudinea, Rhynchobdellida) A Spałek‐Wołczyńska, J Klag, A Bielecki, P Świątek Journal of Morphology 269 (1), 18-28, 2008 | 33 | 2008 |
| Ovary architecture of two branchiobdellid species and Acanthobdella peledina (Annelida, Clitellata) P Świątek, AZ Urbisz, W Strużyński, BJ Płachno, A Bielecki, S Cios, ... Zoologischer Anzeiger-A Journal of Comparative Zoology 251 (1), 71-82, 2012 | 31 | 2012 |
| Diversity of features of the female reproductive system and other morphological characters in leeches (C itellata, H irudinida) in phylogenetic conception A Bielecki, P Świątek, JM Cichocka, ME Siddall, AZ Urbisz, BJ Płachno Cladistics 30 (5), 540-554, 2014 | 25 | 2014 |
| Environmental factors associated with biodiversity and the occurrence of rare, threatened, thermophilous species of aquatic beetles in the anthropogenic ponds of the Masurian … J Pakulnicka, A Górski, A Bielecki Biodiversity and Conservation 24, 429-445, 2015 | 24 | 2015 |
| Piscicola pojmanskae, a new leech species from Poland [Hirudinea: Piscicolidae] A Bielecki Genus. International Journal of Invertebrate Taxonomy 5 (4), 1994 | 23 | 1994 |
| Zur Kenntnis der Fischegelfauna (Hirudinea: Piscicolidae) in Deutschland U Jueg, C Grosser, A Bielecki Lauterbornia 52, 39-73, 2004 | 20 | 2004 |
| Germ-line cysts are formed during oogenesis in Erpobdella octoculata (Annelida, Clitellata, Erpobdellidae) P Świątek, F Krok, A Bielecki Invertebrate Reproduction & Development 54 (2), 53-63, 2010 | 19 | 2010 |
| The theory of biological systematics and phylogeny reconstruction. Justification of the theory and systematist’s work within the area of description A Bielecki, WM Epstein Genus 5 (4), 411-421, 1994 | 19 | 1994 |
| A new leech species (Hirudinida: Erpobdellidae: Erpobdella) from a cave in the West Azerbaijan province of Iran JM Cichocka, A Bielecki, J Kur, D Pikuła, A Kilikowska, B Biernacka Zootaxa 4013 (3), 413-427, 2015 | 18 | 2015 |
| Piscicola siddalli n. sp., a leech species from the United Kingdom (Clitellata: Hirudinida: Piscicolidae) A Bielecki, S Cios, JM Cichocka, J Pakulnicka Comparative parasitology 79 (2), 219-230, 2012 | 18 | 2012 |
| Piscicola brylinskae, a new leech species from The Netherlands [Hirudinea: Piscicolidae] A Bielecki Annals of Parasitology 47 (1), 2001 | 18 | 2001 |
| Glossiphoniidae Vaillant, 1850 (Hirudinea) of Poland--systematics and perspectives of studies. A Bielecki, J Rybak, M Lukowiak-Bielecka Wiadomosci Parazytologiczne 45 (1), 29-61, 1999 | 18 | 1999 |
| Italobdella ciosi, a new leech genus and species from Italy (Hirudinea, Piscicolidae) A Bielecki Genus 4 (2), 67-78, 1993 | 17 | 1993 |
| Structure of the vector tissue in piscicolid leeches (Annelida, Hirudinea, Rhynchobdellida, Piscicolidae) P Świątek, A Bielecki, J Klag Journal of Morphology 268 (1), 64-73, 2007 | 16 | 2007 |
| A systematic studyon the complex species Erpobdella testacea (SAVIGNY, 1820)(Hirudinea, Erpobde llidae) A LUCJANAGAroWi Genus 3 (4), 185-199, 1992 | 16 | 1992 |
| Morphology and ultrastructure of the midgut in Piscicola geometra (Annelida, Hirudinea) MM Rost-Roszkowska, P Świątek, M Kszuk, K Główczyk, A Bielecki Protoplasma 249, 1037-1047, 2012 | 15 | 2012 |
| The invasion of the leech Piscicola respirans (Hirudinea: Piscicolidae) on the fins of European grayling Thymallus thymallus A Bielecki, JM Cichocka, J Terlecki, A Witkowski Biologia 66, 294-298, 2011 | 15 | 2011 |
