@Article{ SINGH_SINGH_MARTÍNEZ: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 },

issn = { 0002-6018 },

pages = { 369-383 },

}