Niu K. Historical Distribution of François’ Langurs (Trachypithecus francoisi) in Guangdong, China: Implications for Their Conservation [网际网络]. 浪淘沙预印本平台. 2025 [见引于 2026年2月5日]. 载于: https://www.langtaosha.org.cn/index.php/lts/preprint/view/47