TY - JOUR L1 - http://journals.pan.pl/Content/83659/PDF/paper_15.pdf L2 - http://journals.pan.pl/Content/83659 PY - 2012 IS - No 4 EP - 800 DO - 10.2478/v10175-012-0092-8 A1 - Choromański, W. A1 - Fiok, K. A1 - Dobrzyński, G. VL - 60 DA - 2012 T1 - Optimizing the lever propelling system for manual wheelchairs SP - 793 UR - http://journals.pan.pl/dlibra/publication/edition/83659 T2 - Bulletin of the Polish Academy of Sciences Technical Sciences ER -