@ARTICLE\{IMM1994-0982, author = "J. M. Carstensen", title = "Morphological Markov random fields", year = "1994", pages = "321-326", journal = "Statistics and Probability Letters", volume = "20", editor = "", number = "4", publisher = "", url = "http://www2.compute.dtu.dk/pubdb/pubs/982-full.html" }