HIGHLIGHTS
SUMMARY
The use of research publications decreases with time and age of literature. De Solla Price postulated that the use of literature declines with time according to a negative exponential distribution, although other authors suggested a lognormal distribution as the most suitable to measure literature obsolescence (Egghe and amp; Ravichandra Rao, 1992; Gupta, 1998). At a certain distance from this last subfield, although with a similarly high survival rate, is the General Physics and amp; Astronomy field, for which more than 25% of the cited references have a survival rate of more than twenty years . . .
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