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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 jan 1937 ano - Ley de Bradford

Descrição:

Es un modelo descrito originalmente por Samuel C. Bradford para estimar la disminución exponencial de rendimiento (decreciente) de ampliar la búsqueda de las referencias en las revistas científicas.

Adicionado na linha do tempo:

catalogacion

ByRosaura Cruz Huerta
10 out 2020
0
0
443

Data:

1 jan 1937 ano
Agora
~ 88 years ago
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