APA

Diederichs U., Jumppanen U. & Penttala V. (1989). Behaviour of high strength concrete at high temperatures. Helsinki: Univ. of Technology.

Chicago

Diederichs Ulrich, Jumppanen Ulla-Maija and Penttala Vesa. 1989. Behaviour of high strength concrete at high temperatures. Helsinki: Univ. of Technology.

Harvard

Diederichs U., Jumppanen U. and Penttala V. (1989). Behaviour of high strength concrete at high temperatures. Helsinki: Univ. of Technology.

MLA

Diederichs Ulrich, Jumppanen Ulla-Maija and Penttala Vesa. Behaviour of high strength concrete at high temperatures. Helsinki: Univ. of Technology. 1989.