APA

Feldman R., Beaudoin J., . (1976). Structure and properties of porous cement systems and their modification by impregnants. ( Hydraulic cement pastes. Ottawa: National Research Council Canada. DBR paper nr 696.

Chicago

Feldman RF, Beaudoin JJ, . 1976. Structure and properties of porous cement systems and their modification by impregnants. ( Hydraulic cement pastes. Ottawa: National Research Council Canada. DBR paper nr 696.

Harvard

Feldman R., Beaudoin J., . (1976). Structure and properties of porous cement systems and their modification by impregnants. ( Hydraulic cement pastes. Ottawa: National Research Council Canada. DBR paper nr 696.

MLA

Feldman RF, Beaudoin JJ, . Structure and properties of porous cement systems and their modification by impregnants. ( Hydraulic cement pastes. Ottawa: National Research Council Canada. DBR paper nr 696. 1976.