|
Ruan |
1988 |
Ammonoids. In: Yu Chang-min [ed.]: Devonian-Carboniferous Boundary in Nanbiancun, Guilin, China. Aspects and Records.
251-262, fig.78-81, tab.20, pl.64,65; Beijing (Science Press).
|
|
|
Yu, Wang & Ruan |
1987 |
A desirable section for the Devonian-Carboniferous boundary stratotype in Guilin, Guangxi, South China.
Scientia Sinica, Series B, 30 (7): 751-764, fig.1-4, pl.1-3; Beijing.
|