| Gardner DJ, Stark N 2006. "Understanding the durability of wood plastic composites – an update", Durability in Wood Plastic & Natural Fiber Composites 2006: A catalyst for widespread market acceptance. |

| Gardner DJ, Stark N 2006. "Understanding the durability of wood plastic composites – an update", Durability in Wood Plastic & Natural Fiber Composites 2006: A catalyst for widespread market acceptance. |