<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Manuel Ortigueira</style></author><author><style face="normal" font="default" size="100%">Fernando Coito</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">From Differences to Derivatives</style></title><secondary-title><style face="normal" font="default" size="100%">Fractional Calculus &amp; Applied Analysis</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2004</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://oa.uninova.pt/1040/</style></url></web-urls></urls><number><style face="normal" font="default" size="100%">4</style></number><publisher><style face="normal" font="default" size="100%">Institute of Mathematics &amp; Informatics</style></publisher><volume><style face="normal" font="default" size="100%">7</style></volume><pages><style face="normal" font="default" size="100%">459–471</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">n/a</style></abstract><notes><style face="normal" font="default" size="100%">n/a</style></notes></record></records></xml>