Díaz de Cossío R. <br/><br/>
Development of design criteria for reinforced concrete box -culverts. part 2: recommendations for design / by R. Daz de- Cossío and C.P. Siess 

 - Urbana, Illinois : University of Illinois, Department of Civil Engineering 
 - [100] p. 
 - Civil engineering studies. Structural research series ; no.-164 .