Christiansson, Per. <br/><br/>
Spectra of loads and londeffects for bridges: applications -to prefabricated bridge slabs with estimation of dynamic ef-fects. a literature survey, july 1973 / Per Christianson. 

 - Lund, Suecia : gy 
 - 79 p. 
 - Report; 46 / Lund Institute of Technology. .