@misc{the+decrease+of+voltage+drops+in+dc+traction+power+supply+using+statcom+devices, author = {Szczepanik, Jerzy}, title = {The decrease of voltage drops in DC traction power supply using STATCOM devices}, journal = {Czasopismo Techniczne. Elektrotechnika}, address = {Kraków}, publisher = {Wydawnictwo PK}, date = {2007}, number = {R. 104, Z. 5, 1-E} }