VISUAL SYSTEM: STATE OF THE ART 91 



ACKNOWLEDGMENTS 



The preparation of this article was entirely supported by funds from a con- 

 tract to Dr. Samuel H. Gruber between the Office of Naval Research and the 

 University of Miami. We wish to acknowledge the assistance and cooperation of 

 the RSMAS and Calder Medical libraries. We are grateful to Mr. Russ Fryden- 

 bourg, Mr. Carlos Wolf, and Ms. Dawn Harrold for their aid in the original 

 literature survey. We thank Ms. Marie Gruber for the illustrations and Ms. 

 Susan McLean for typing the final copy. Thanks are also due to Drs. 

 Hamasaki, S.P. Manski, J.A. Zadunaisky, and S. Zigman for useful discussion 

 in their areas of expertise. We extend special thanks to Dr. D. Anderson and 

 R. Knighton for reading the entire manuscript and providing critical evalua- 

 tions. Finally, we gratefully acknowledge the editorial assistance of Mrs. 

 Monica Abbott. 



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