Earth observing systems IV : 18-20 July 1999, Denver, Colorado

MLA

Barnes, William L., Society of Photo-Optical Instrumentation Engineers and Remote Sensing Society. Earth observing systems IV : 18-20 July 1999, Denver, Colorado. [Place of publication not identified] SPIE 1999

APA

Barnes, W., Society of Photo-Optical Instrumentation Engineers & Remote Sensing Society. (1999). Earth observing systems IV : 18-20 July 1999, Denver, Colorado. [Place of publication not identified] SPIE.

Chicago

Barnes, William L., Society of Photo-Optical Instrumentation Engineers and Remote Sensing Society. Earth observing systems IV : 18-20 July 1999, Denver, Colorado. [Place of publication not identified] SPIE 1999