Nielsen, J. <br/><br/>
Cement testing according to the rilem-cembureau method / by- J. Nielsen. 

 - Karlstruf, [Dinamarca] : Concrete Research Laboratory 
 - [20] p. 
 - Internal report ; no. 104 / Concrete Research Laboratory .
<br/><br/> "Cement provning efter RILEM-Cemboreau metoden" , Ingeniore-n, 73 (1964) : 21, p. 631-39, by P. Ege de Andersen and J. -Nielsen".