Graph-set analysis of hydrogen-bond patterns: some mathematical concepts. Erratum.
Owing to a serious printing error, this article [Grell et al. (1999). Acta Cryst. B55, 1030-1043] was printed incorrectly. Pages 1029-1044 have thus been reprinted and included as a loose insert with this issue of the journal.
Grell
J
Institute of Freshwater Ecology and Inland Fisheries, Department of Ecohydrology, Rudower Chaussee 6a, D-12489 Berlin, Germany.
Bernstein
J
Tinhofer
G