1. Error Estimates for Adaptive Finite Element Computations
2. Direct and inverse error estimates for finite elements with mesh refinements
3. ‘PLTMG-a software package for solving elliptic partial differential equations, user's guide 6.0’, SIAM, Philadelphia, 1990.
4. and , ‘Refinement algorithms and data structures for regular local mesh refinement’, in et al. (eds.), Scientific Computing, North-Holland, Amsterdam, 1983, p. 3-17
5. Local mesh refinement in 2 and 3 dimensions