| [3] | Demonstration and test bedding of four glazing types in daylight test chambers in Singapore (Stephen K Wittkopf, Anupama Rana Pandey, Lars Oliver Grobe and Apiparn P Borisuit), 2009. |
| [2] | Daylight redirection for the tropics (Lars Oliver Grobe), Colloquium at the Solar Energy Research Institute of Singapore, 2009. |
| [1] | Optical characterization of materials and structures for daylighting and PV applications. (Lars Oliver Grobe and Stephen K Wittkopf), Technical report, Solar Energy Research Institute of Singapore, 2009. |