Polak, Elijah, and Michael  Wetter. "Precision control for generalized pattern search algorithms with adaptive precision function evaluations." SIAM Journal on Optimization 16.3 (2006) 650-669?.

Wetter, Michael, and Elijah  Polak. "Building design optimization using a convergent pattern search algorithm with adaptive precision simulations." Energy and Buildings 37.6 (2005) 603-612. LBNL-57341.

Wetter, Michael, and Elijah  Polak. "Building Design Optimization Using a Convergent Pattern Search Algorithm with Adaptive Precision Simulations." Energy and Buildings 37 (2004) 603-612.

Wetter, Michael, Elijah  Polak, and Van P Carey. BuildOpt 1.0.1 validation. 2004. LBNL-54658.

Wetter, Michael, and Elijah  Polak. "A convergent optimization method using pattern search algorithms with adaptive precision simulation." Building Services Engineering Research and Technology 25.4 (2004) 327-338.

Wetter, Michael, and Elijah  Polak. "A convergent optimization method using pattern search algorithms with adaptive precision simulation." Ed. Godfried  Augenbroe and Hensen, Jan. Proceedings of the 8th IBPSA Conference 2003: 1393-1400.