@article{ref1,
title="RETRACTION: Early magnitude estimation for the MW7.9 Wenchuan earthquake using progressively expanded P-wave time window",
journal="Scientific reports",
year="2015",
author="Peng, Chaoyong and Yang, Jiansi and Zheng, Yu and Xu, Zhiqiang and Jiang, Xudong",
volume="5",
number="",
pages="7602-7602",
abstract="<p>The authors wish to retract this Article because large sections of the text were copied from a Colombelli et al. study, which was cited as reference 37.   The results and data presented in the Article have not been contested.</p> <p>Language: en</p>",
language="en",
issn="2045-2322",
doi="10.1038/srep07602",
url="http://dx.doi.org/10.1038/srep07602"
}