<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Kreiner, J. M.</style></author><author><style face="normal" font="default" size="100%">Zola, S.</style></author><author><style face="normal" font="default" size="100%">Ogloza, W.</style></author><author><style face="normal" font="default" size="100%">Pokrzywka, B.</style></author><author><style face="normal" font="default" size="100%">Drozdz, M.</style></author><author><style face="normal" font="default" size="100%">Stachowski, G.</style></author><author><style face="normal" font="default" size="100%">Zakrzewski, B.</style></author><author><style face="normal" font="default" size="100%">Niarchos, P. G.</style></author><author><style face="normal" font="default" size="100%">Gazeas, K.</style></author><author><style face="normal" font="default" size="100%">Rucinski, S. M.</style></author><author><style face="normal" font="default" size="100%">Siwak, M.</style></author><author><style face="normal" font="default" size="100%">Koziel, D.</style></author><author><style face="normal" font="default" size="100%">Kjurkchieva, D.</style></author><author><style face="normal" font="default" size="100%">Marchev, D.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">The W UMa-type Stars Program: First Results, Current Status and Perspectives</style></title><short-title><style face="normal" font="default" size="100%">Astrophysics and Space Science</style></short-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Eclipsing binaries</style></keyword><keyword><style  face="normal" font="default" size="100%">Physical parameters</style></keyword><keyword><style  face="normal" font="default" size="100%">W UMa stars</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2006</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2006/08/1</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://ui.adsabs.harvard.edu/abs/2006Ap&amp;SS.304...71K</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">304</style></volume><pages><style face="normal" font="default" size="100%">71 - 73</style></pages><isbn><style face="normal" font="default" size="100%">0004-640X</style></isbn><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">We present the results of a statistical investigation of the period-color and period-bolometric magnitude relations using a carefully selected sample of 120 contact systems with known physical parameters.</style></abstract></record></records></xml>