P. Billberg

发表

B. K. Van, P. Billberg, O. Petersson, 2004 .

Natalie Williams Portal, Katarina Malaga, Peter Billberg, 2015 .

P. Billberg, 1997, SP-173: Fifth CANMET/ACI International Conference on Superplasticizers and Other Chemical Admixtures in Concrete.

P. Billberg, P. Billberg, 1999 .