33
/de/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
4557329
422726
2
Create a timeline
Public Timelines
For educational institutions For teachers For students Cabinet
For educational institutions For teachers For students Open cabinet
FAQ Das Premium bekommen
Create a timeline
Public timelines
FAQ
About & FeedbackVereinbarungPrivatheitFAQ
Support 24/7  
CabinetGet premium
Donate

1 Jan 1937 Jahr - Ley de Bradford

Beschreibung:

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.

Zugefügt zum Band der Zeit:

catalogacion

ByRosaura Cruz Huerta
10 Okt 2020
0
0
437

Datum:

1 Jan 1937 Jahr
Jetzt
~ 88 years ago
About & FeedbackVereinbarungPrivatheitFAQ
Support 24/7  
CabinetGet premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL