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Alvarez, P.; Pulgarin, A.: ¬The Rasch model : measuring the impact of scientific journals: analytical chemistry (1996)
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Alvarez, P.; Pulgarin, A.: ¬The diffusion of scientific journals analyzed through citations (1997)
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Alvarez, P.; Escalona, I.; Pulgarin, A.: What is wrong with obsolescence? (2000)
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