Publications (3):
- Christoffersen, Tom. 2011. "Apistogramma nijsseni". The home page of Martin and TomC (http://apisto.sites.no). Retrieved on 26 June, 2017 (crc08159)
- Christoffersen, Tom. 2011. "Apistogramma sp. 'Matses'". The home page of Martin and TomC (http://apisto.sites.no). Retrieved on 26 June, 2017 (crc08158)
- Christoffersen, Tom. 2011. "Collecting in the Río Tahuayo and the Río Tamshiyacu drainages 2011". The home page of Martin and TomC (http://apisto.sites.no). Retrieved on. Retrieved on May 18, 2017 from:http://apisto.sites.no/page.aspx?PageId=120, (crc08124)