4 September 2015
- 11:5111:51, 4 September 2015 diff hist +8 Solar cell materials No edit summary
30 August 2015
- 04:0404:04, 30 August 2015 diff hist −3 Solar cell materials No edit summary
29 August 2015
- 22:1322:13, 29 August 2015 diff hist +528 Solar cell materials No edit summary