<?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%">Song Z. Z., Zhang Z. Y.,</style></author><author><style face="normal" font="default" size="100%">Zhang Y. Y.*, Zhang J. F.,</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Bi-Fractal characterization of the pore network of tight sandstone. Frontiers in Earth Science-Economic Geology</style></title><secondary-title><style face="normal" font="default" size="100%">Frontiers in Earth Science-Economic Geology</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2021</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">doi: 10.3389/feart.2021.751944</style></url></web-urls></urls><language><style face="normal" font="default" size="100%">eng</style></language></record></records></xml>