67095. The friction of railway brake shoes at high speed and high pressure / by Herman J. Schrader. - Urbana : University of Illinois, 1938. 54 p. : ill. : 23 cm. - . - Overdr. uit: University of Illinois Bulletin. - Vol.35, nr.72 (mei 1938) PK : DE PATER DK 777

67095. The friction of railway brake shoes at high speed and high pressure / by Herman J. Schrader. - Urbana : University of Illinois, 1938. 54 p. : ill. : 23 cm. - . - Overdr. uit: University of Illinois Bulletin. - Vol.35, nr.72 (mei 1938) PK : DE PATER DK 777