...but you'll have to register as a user to get access ("free," but they
collect some marketing info and you'll need to uncheck a few options or
you'll start getting auto-spam from them).
I tried looking in Nature online for the original article but couldn't find
it - maybe because I had to register with them too - I think only part of
their online content is free.
John Schinnerer
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Human Habitat Design
Cultural & Ecological Designing
john@eco-living.net http://eco-living.net
Pre-CC PC in Colombia...,
John Schinnerer, 11/19/2000