https://arxiv.org/abs/1408.5624
[1408.5624] Combining observational techniques to constrain convection in evolved massive star...
Abstract page for arXiv paper 1408.5624: Combining observational techniques to constrain convection in evolved massive star models
observational techniques
https://www.informit.com/articles/article.aspx?p=3091772&seqNum=3
Observational Data Analysis Techniques | 11.1 Regression Discontinuity | InformIT
Elementary techniques for deriving causal insights from observational data.
observational data11 1regression discontinuityanalysistechniques