Irreproducibility in searches of scientific literature: A comparative analysis oleh Gábor Pozsgai, Gábor L. Lövei, Liette Vasseur, Geoff Gurr, Péter Batáry, János Korponai, Nick A. Littlewood, Jian Liu, Arnold Móra, John Obrycki, Olivia Reynolds, Jenni A. Stockan, Heather VanVolkenburg, Jie Zhang, Wenwu Zhou, Minsheng You