@CONFERENCE\{IMM1993-03485, author = "H. Holst", title = "Sampling founded on historical knowledge and statistical methods", year = "1993", pages = "13", booktitle = "Forurenset Grunn: Pr{\o}vetakning, Analyser, Risikovurderinger {SFT}/ATV", volume = "", series = "", editor = "", publisher = "", organization = "", address = "Norway", url = "http://www2.compute.dtu.dk/pubdb/pubs/3485-full.html" }