@INPROCEEDINGS {UsinggeostatisticsandclusteringtodesignandoptmizetheenvironmentalmonitoringnetworkforHaiDuongprovinceVietnam2009, author = "Thuy, Nui Phuong and Manh, Vu Van", title = "Using geostatistics and clustering to design and optmize the environmental monitoring network for Hai Duong province (Vietnam)", booktitle = "Shaker Verlag", year = 2009, editor = "Volker Wohlgemuth, Bernd Page, Kristina Voigt", pages = "37-44", publisher = "Shaker Verlag", note = "ISBN 978-3-8322-8397-1" }