@misc{indiciae1def02a0ef12, title = {Technical note: computing tests of fixed effects in a restricted class of mixed models.}, author = {R J Boik and M W Tess and C Todd}, year = {1993}, doi = {10.2527/1993.71151x}, url = {https://pubmed.ncbi.nlm.nih.gov/8454552/}, note = {Source identifier: 8454552} }