Here are a few:
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Cole NC, Jones CG, Harris S. 2005. The need for enemy-free space: The impact of an invasive gecko on island endemics. Biol Conserv 125(4):467-74.
Kratochvil L. 2006. Captive breeding and a threatened gecko. Science (Washington D C) 313(5789):915.
Read J. 1998. Hemmed in on all sides? the status of the restricted gecko, Nephrurus deleani. Herpetofauna (Sydney) 28(2), December 1998:30-38. 28(2):30-8.
Roberts M. 1992. Conservation status and habitat preference of peringueyi's leaf-toed gecko in the eastern cape. Naturalist (Port Elizabeth) 36(3), November 1992:15-16. 36(3):15-6.
Salvidio S and Delaugerre M. 2003. Population dynamics of the european leaf-toed gecko (Euleptes europaea) in NW italy: Implications for conservation. Herpetological Journal 13(2):81-8.
Sarre S, Wiegand K, Henle K. 1996. The conservation biology of a specialist and a generalist gecko in the fragmented landscape of the western australian wheatbelt. Settele J, Margules C,Poschlod P, and others, editors. In: Species survival in fragmented landscapes. Kluwer Academic Publishers, Dordrecht, Boston & London. 39 p.
Sarre S, Smith GT, Meyers JA. 1994. Persistence of two species of gecko (Oedura reticulata and Gehyra variegata) in remnant habitat. Biological Conservation 71(1) 1995(1994):25-33. 71(1):25-33.
Smart R, Whiting MJ, Twine W. 2005. Lizards and landscapes: Integrating field surveys and interviews to assess the impact of human disturbance on lizard assemblages and selected reptiles in a savanna in South Africa. Biol Conserv 122(1):23-31.
Stuart BL and Grismer LL. 2006. Captive breeding and a threatened gecko - response. Science (Washington D C) 313:915.
Stuart BL, Rhodin AGJ, Grismer LL, and Hansell T. 2006. Scientific description can imperil species. Science (Washington D C) 312:1137.