EN中文
A PRELIMINARY STUDY ON THE MIGRATIONS AND THEIR SOCIAL EFFECTS IN THE DISTRICT OF THE MIDDLE AND LOWER REACHES OF THE YELLOW RIVER DURING THE EARLY PERIOD OF THE MING DYNASTY
Sun Donghu, Liu Wenzhang
GEOGRAPHICAL RESEARCH . 1987, (3): 34 -41 .  DOI: 10.11821/yj1987030005