1. G.B. Arfken, H.J. Weber, Mathematical Methods for Physicists, fourth ed., Academic Press, San Diego, 1995.
2. D. Bimberg, M. Grundmann, N.N. Ledentsov, Quantum Dot Heterostructures, Wiley, New York, 1999.
3. Confined states in ellipsoidal quantum dots;Cantele;J. Phys.: Cond. Matter,2000
4. Confined states in lens-shaped quantum dots;Lew Yan Voon;J. Phys.: Cond. Matter,2002
5. Design and evaluation of microfabricated acoustical lenses for high frequency ultrasound application;Li;ASME International Mechanical Engineering Congress and Exposition BED,1998