from CaltechAUTHORS

• Greenspan, H.; Belongie, S.; et el. (1994) Overcomplete steerable pyramid filters and rotation invariance; ISBN 0-8186-5825-8; 222-228; 10.1109/CVPR.1994.323833
• Van Essen, D. C.; Olshausen, B.; et el. (1991) Pattern recognition, attention, and information bottlenecks in the primate visual system; ISBN 9780819405821; 17-28; 10.1117/12.45537