Computers and Geosciences, 1998, V 24, N1.

pp. 1-5
Chempet - calculation for the chemical systematics if igneous rocks based on 
the  cipw norm.
DG Yegorov, AN Korobeinikov, MI Dubrovskii

pp. 7-15
Finding the number of natural clusters in groundwater data sets using the
concept of equivalence class
FAL Pacheco

pp. 17-31
Gstat, a program for geostatistical modelling, prediction and simulation
EJ Pebesma, CG Wesseling

pp. 33-41
Paleotemp: a mathematica  program for evaluating paleotemperatures from the
concentration of atmosphere-derived noble gases in ground water
DL Pinti, E Van Drom

pp. 43-49
Webinveq thermobarometry: an experiment in providing interactive scientific
software on the world wide web
TM Gordon

pp. 51-68
Hydrotrend: a climate-driven hydrologic-transport model for predicting discharge
and sediment load to lakes or oceans
JPM Syvitski, MD Morehead, M Nicholson

pp. 69-76
Fortran programs for calculating connectivity of 3-d numerical models and for
ranking multiple realizations
CV Deutsch

pp. 77-82
An algorithm to quantitatively model mass balances
DL Biddle, DJ Chittleborough, RW Fitzpatrick

pp. 83-93
Automatic extraction of ridge and valley axes using the profile recognition and
polygon breaking algorithm
YC Chang, SK Hsu, GS Song

pp. 95-100
A practical implementation of the box counting algorithm
G Gonzato

pp. 101-103
Letter to the editor comment on "the influence of timescales in basin modeling
calculations"
PL Guth

pp. 105-108
On log-normal distributions, timescales and basin analysis calculations
I Lerche

pp. 109-110
Another node on the net (24/1)
JC Butler