Stixbox Function

datas21 - Bulbs data

Calling Sequence

x=datas21()

Description

Source:        "Lighting Comes of Age with New Technology" in 
               Research and Development, Novembre 1992.

Pris:          J. Milton, J. Arnold (1995), "Introduction to Probability
   and statistics", p 215,  McGraw-Hill international editions

Description:   Duree de vie (en milliers d'heures) d'un echantillon
               d'ampoules electriques de marque Philips.