Text ( visual ) : unmediated Airborne reconnaissance XIII : 7-9 August 1989, San Diego, California / Paul A. Henkel, Francis R. LaGesse, Wayne W. Schurter, chairs/editors ; sponsored by SPIE--the International Society for Optical Engineering ; cooperating organizations, Applied Optics Laboratory/New Mexico State University ... [et al.]. -- Bellingham, Wash., USA : SPIE , c1990. -- vi, 329 p. : ill. ; 28 cm. -- (Proceedings / SPIE -- the International Society for Optical Engineering ; v. 1156/a). -- Includes bibliographical references. -- ISBN 0819401927 ; (BA24341928) ; https://ci.nii.ac.jp/ncid/BA24341928 Author Heading(s): Henkel, Paul ; LaGesse, Francis R. ; Schurter, Wayne W. ; Society of Photo-optical Instrumentation Engineers. -- Classification(s): LCC : UG760 ; DC20 : 623/.71. -- Subject Heading(s): LCSH : Aerial reconnaissance -- Congresses ; LCSH : Aerial reconnaissance -- Equipment and supplies -- Congresses