Classification of urban SAR imagery using object oriented techniques. - Corr, D. G.; Walker, A.; Benz, U.; Lingenfelder, Iris; Rodrigues, A. (2003)

3D Imaging of Transparent Objects. - Wallace, Andrew M.; Csákány, Péter; Buller, Gerald S.; Walker, A. (2000)

Locally Balanced Binary Trees. - Walker, A.; Wood, Derick (Comput. J., 1976)