More correctly termed 'relocated' than truly rediscovered because the main reason they went undetected for decades is a lack of surveys in the area, obviously due to civil unrest (not sure if that's the right term, not too familiar with the exact nature of the conflict in the DR Congo).
Greenbaum, Eli and Kusamba, Chifundera. (2012). Conservation Implications Following the Rediscovery of Four Frog Species from the Itombwe Natural Reserve, Eastern Democratic Republic of the Congo. Herpetological Review 43(2): 253–259.
P.s. Sorry for not posting this earlier.
Greenbaum, Eli and Kusamba, Chifundera. (2012). Conservation Implications Following the Rediscovery of Four Frog Species from the Itombwe Natural Reserve, Eastern Democratic Republic of the Congo. Herpetological Review 43(2): 253–259.
P.s. Sorry for not posting this earlier.