TY  - CPAPER
AU  - Peter Orolin
TI  - R - MATERIAL AS A LAYER OF RAILWAY TRACKBED
T2  - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on ECOLOGY, ECONOMICS, EDUCATION AND LEGISLATION
PY  - 2013
DO  - 10.5593/sgem2013/be5.v1/s20.105
PB  - Stef92 Technology
ER  -