@article{MET_1990__37_3-4_176266,
     author = {H.I. Hamdy and M. Al-Mahmeed},
     title = {Sequential {Estimation} of {Linear} {Models} in {Three} {Stages.}},
     journal = {Metrika},
     pages = {19--36},
     publisher = {mathdoc},
     volume = {37},
     number = {3-4},
     year = {1990},
     zbl = {0692.62067},
     url = {http://geodesic.mathdoc.fr/item/MET_1990__37_3-4_176266/}
}