science & systems of the human environment Strahler, Alan H. creator Strahler, Arthur. S.l.] Wiley 2001 2nd ed. 768 p. Alan H. Strahler. Paperback. 9971514133 9789971514136 http://www.amazon.com/exec/obidos/ASIN/9971514133/chopaconline-20 http://www.chopac.org/cgi-bin/tools/azrev.pl?q=9971514133 http://www.amazon.com/exec/obidos/ASIN/9971514133/chopaconline-20 http://www.chopac.org/cgi-bin/tools/azrev.pl?q=9971514133