@misc{doerffer_factor_analysis_1988, 
author={Doerffer, R.,Murphy, D.},
title={Factor analysis of thematic mapper data for mapping surface characteristics of the Wadden Sea},
year={1988},
howpublished = {conference lecture: List / Sylt (D); November 1-4, 1988},
note = {Online available at: \url{} (DOI). Doerffer, R.; Murphy, D.: Factor analysis of thematic mapper data for mapping surface characteristics of the Wadden Sea. 6th International Wadden Sea Symposium. List / Sylt (D), 1988.}}