Hirt, C., & Payne, H. (2003). The Digital Zenith Camera TZK2-D - A Modern High-Precision Geodetic Instrument for Automatic Geographic Positioning in Real-Time. Astronom Society Pacific.
Chicago Style (17th ed.) CitationHirt, Christian, and H.E Payne. The Digital Zenith Camera TZK2-D - A Modern High-Precision Geodetic Instrument for Automatic Geographic Positioning in Real-Time. Astronom Society Pacific, 2003.
MLA (9th ed.) CitationHirt, Christian, and H.E Payne. The Digital Zenith Camera TZK2-D - A Modern High-Precision Geodetic Instrument for Automatic Geographic Positioning in Real-Time. Astronom Society Pacific, 2003.
Warning: These citations may not always be 100% accurate.