1. Small Cell Forum. Homepage of the Small Cell Forum,
http://www.smallcellforum.org/
(visited in February 2013)
2. European Telecommunications Standards Institute, France. Universal Mobile Telecommunications System (UMTS); UTRAN architecture for 3G Home Node B (HNB); Stage 2, 3GPP TS 25.467 version 11.0.0 Release 11 (2012)
3. European Telecommunications Standards Institute, France. Universal Mobile Telecommunications System (UMTS); LTE; Security of Home Node B (HNB) / Home evolved Node B (HeNB) 3GPP TS 33.320 version 10.5.0 Release 10 (2012)
4. Chambers, D.: Femtocell Primer, 2nd edn. Lulu Enterprises Inc. (2010)
5. Zhang, J., de la Roche, G. (eds.): Femtocells: Technologies and Deployment. John Wiley & Sons, Ltd. (2009)