THE PHYSIOGRAPHICAL HISTORY OF THE YELLOW RIVER BETWEEN SHANSI AND SHENSI
1. Combeau, De la houille ses productions dans le monde entier, son emploi ses particularites 1921. $ 3.70
THE PHYSIOGRAPHICAL HISTORY OF THE YELLOW RIVER BETWEEN SHANSI AND SHENSI.1925. GEOLOGICAL NOTES FROM KANSU[J]. Acta Geologica Sinica(),4(2):87-91
