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A strange symbiosis:Seismic ray theory and Saturday touch football—Donald V.Helmberger as a graduate
[期刊论文] 作者：Terry C.Wallace,
来源：地震学报（英文版） 年份：2022
At the end of December of 1978 I was sitting in the office of Caltech Professor Don Helmberger,he was peering out his window towards the San Gabriel Mountains,silent and I supposed,deep in thought about some mystery of seismology.When he fi......
[期刊论文] 作者：Terry Sicular,Xiuna Yang,Bj(o)rn Gustafsson,
来源：中国与世界经济（英文版） 年份：2022
We estimate the size of the global middle class in China and 33 other countries and analyze China\'s expanding middle class in an international context.The “global middle class” is defined in terms of being neither poor nor rich in the de......
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