Jivkov, A. Porosity effects on the non-linear behaviour of concrete. София: УАСГ, 2014/Св. II с. 97-116,.
Jivkov, A. Porosity effects on the non-linear behaviour of concrete. София: УАСГ, 2014/Св. II с. 97-116,.
Jivkov, A. (2014/Св. II) Porosity effects on the non-linear behaviour of concrete, София: УАСГ с. 97-116,.
Jivkov, A. (2014/Св. II). Porosity effects on the non-linear behaviour of concrete. Годишник на Университета по архитектура, строителство и геодезия - УАСГ (с. с. 97-116). София: УАСГ. XLV.
Jivkov A. Porosity effects on the non-linear behaviour of concrete. София: УАСГ; 2014/Св. II. p. с. 97-116.