@article{10_4064_am33_2_4,
     author = {Saralees Nadarajah and B. M. Golam Kibria},
     title = {Drought models based on {Burr} {XII} variables},
     journal = {Applicationes Mathematicae},
     pages = {185--193},
     publisher = {mathdoc},
     volume = {33},
     number = {2},
     year = {2006},
     doi = {10.4064/am33-2-4},
     zbl = {1134.33317},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am33-2-4/}
}