Reflection and transmission characteristics of porous rubble-mound breakwaters /

"March 1976."

Porous pavement /

Mode of access: Internet.

The effect of porous walls on the power output of liquid fluidized bed reactors.

Mode of access: Internet.

Evaluation of porous materials for boundary-layer control

ASTIA document no. AD 110582.

Construction Safety Orders. Trench Construction Safety Orders and Lamp Scaffold and Parallel Safety Orders

Mode of access: Internet.