(ru) Cirakadze, G I, « TREHSEKCIONNYJ GRUZOVOJ ELEKTROVOZ VL 11 S REKUPERATIVNYM TORMOZENIEM (THE THREE-UNIT VL 11 ELECTRIC LOCOMOTIVE FOR FREIGHT TRAINS, WITH REGENERATIVE BRAKES) », Elektriceskaja i Teplovoznaja Tjaga, vol. 20, no 7, , p. 32-33 (lire en ligne)