1.
Henningsen A, Hamann JD. systemfit: A Package for Estimating Systems of Simultaneous Equations in R. J. Stat. Soft. [Internet]. 2007 Dec. 31 [cited 2024 Nov. 21];23(4):1-40. Available from: https://www.jstatsoft.org/index.php/jss/article/view/v023i04