Robert J. Woodham (1980). "Photometric Method for Determining Surface Orientation from Multiple Images". Optical Engineering. 19 (1): 139. Bibcode:1980OptEn..19..139W. doi:10.1117/12.7972479. /wiki/Bibcode_(identifier)
"Amazon Picking Challenge - RoboCup -". Robocup2016.org. Archived from the original on 2018-08-14. Retrieved 2018-08-16. https://web.archive.org/web/20180814134514/http://www.robocup2016.org/en/events/amazon-picking-challenge/
"Challenge Rules" (PDF). https://www.amazonrobotics.com/site/binaries/content/assets/amazonrobotics/arc/2017-amazon-robotics-challenge-rules-v3.pdf
"2015 Results" (PDF). https://www.amazonrobotics.com/site/binaries/content/assets/amazonrobotics/pdfs/2015-apc-summary.pdf
"2016 Winner". 5 July 2016. https://www.engadget.com/2016/07/05/amazon-robot-picking-challenge-2016-winner/
"2017 Results". https://spectrum.ieee.org/aussies-win-amazon-robotics-challenge
"Fully Automated Random Each Picking…..no really" (PDF). Mhlc.com. Archived from the original (PDF) on 17 August 2018. Retrieved 17 August 2018. https://web.archive.org/web/20180817161251/https://www.mhlc.com/archives/2015/Track%205-Innovate/T5S8%20Fully%20Automated%20Random%20Each%20Picking%E2%80%A6no,%20really..pdf
"NSF Award Search: Award#1632460 - SBIR Phase II: Versatile Robot Hands for Warehouse Automation". Nsf.gov. https://nsf.gov/awardsearch/showAward?AWD_ID=1632460&HistoricalAwards=false