00738cam a22002297a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001600102110001100118245009600129260007400225300001800299490004200317650004600359650004300405650001800448830004200466CHAP20220817042503.0971013s1969            r     00010     d  a46051  a47023  a51164  cCHAP  a551.49bU53  aUNESCO14aThe use of analog and digital computers in hidrologyb: proceedings of the Tucson symposium  aGentbruge :bInternational Association of Scientific Hydrology,c1969  a2 v.b: ilus. 0aStudies and reports in hydrologyv; 114aCalculadoras electrónicas analógicas.14aCalculadoras electrónicas digitales.14aHidrología.0 aStudies and reports in hydrologyv; 1