文
论文分享
演练场
杂货铺
论文推荐
字
编辑器下载
登录
注册
J. Petranek
发表
Shallow-Water Origin of Early Paleozoic Oolitic Iron Ores
J. Petranek, 1964 .
Gravitationally banded ("Uruguay-type") agates in basaltic rocks - where and when?
J. Petranek, 2004 .