Allen Winkler, CFA, recently had lunch with Kim Thompson, a former professor of his, who told him of a new valuation model she had developed. Winkler recreated Thompson's model with some revisions and back-tested it using data provided by Standard & Poor's (S&P) with impressive results. Winkler's firm launches a mutual fund based on the revised model, and Winkler provides a discussion of the principles underlying the model and the test results. Is Winkler required to credit Thompson for having developed the model and S&P as the source of the data? A: Both of these sources must be cited. B: Neither of these sources must be cited. C: Only one of these sources must be cited.

专技天下:对短梁（Winkler地基），其基底反力为（）。

专技天下:与Winkler地基梁相比，倒梁法无法满足（）。

中国大学MOOC:文克勒(Winkler)地基模型适用于上部结构刚度比较大的建筑物。

地下结构在（）作用下，支护结构的一部分将发生向围岩方向的变形，此时，围岩会对支护结构产生反作用力来抵制这种变形，这种反作用力就称为（），其大小常用温克列尔（Winkler）假定为基础的（）来确定。而支护结构的另一部分则背离围岩向着隧道内变形，形成所谓（）。