64528. An economic investigation of solid journal bearing operation in freight service on two large class I railsways / Roy M. Wright [et al]. - Urbana : University of Illinois, [1953]. 110 p.: 23 cm. - . - In: University of Illinois Bulletin. - Vol.50, nr.46 PK : DE PATER K 539

64528. An economic investigation of solid journal bearing operation in freight service on two large class I railsways / Roy M. Wright [et al]. - Urbana : University of Illinois, [1953]. 110 p.: 23 cm. - . - In: University of Illinois Bulletin. - Vol.50, nr.46 PK : DE PATER K 539