生态地理区域系统的热带北界中段界线的新认识
吴绍洪, 郑度
New Recognition on Boundary between Tropical and Subtropical Zone in the Middle Section of Ecogeographic System
WU Shao hong, ZHENG Du
地理学报 . 2000, (6): 689 -697 .  DOI: 10.11821/xb200006006