@Article{ Singh-_SINGH_Martínez-Puertas:369-383,

author = { Housila P. Singh- and SARJINDER SINGH and Sergio Martínez-Puertas } ,

title = { RATIO TYPE ESTIMATORS FOR THE MEDIAN OF FINITE POPULATIONS },

journal = { Allgemeines Statistisches Archiv },

year = { 2003 },

volume = { 87 },

pages = { 369-383 },

}