@article {Miles:1978:0015-749X:42, author = "Miles, J. A. and Ferguson, I. S. and Leech, J. W.", title = "Notes: Program GLS--Generalized Least Squares for Two-Stage Model Development", journal = "Forest Science", volume = "24", number = "1", year = "1978", abstract = "", pages = "42-42", url = "http://www.ingentaconnect.com/content/saf/fs/1978/00000024/00000001/art00008" }