Procedure for Detecting Outliers in a Circular Regression Model Rambli, Adzhar ; Abuzaid, Ali H. M. ; Mohamed, Ibrahim Bin ; Hussin, Abdul Ghapor Abstract Publication: PLoS ONE Pub Date: April 2016 DOI: 10.1371/journal.pone.0153074 Bibcode: 2016PLoSO..1153074R