| Landis EN, Keane DT 1999. "X-ray microtomography for fracture studies in cement-based materials", Developments in X-ray Tomography II, 3772: 105-114. |

| Landis EN, Keane DT 1999. "X-ray microtomography for fracture studies in cement-based materials", Developments in X-ray Tomography II, 3772: 105-114. |