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References to the RHE

Numerous organisations rhe proposes references to the contents of rhe our Review. Here is a rhe glance at some services proposed rhe freely or at cost.

	ATLA	INIST CNRS	ISI Web rhe of Science	Ix Theo	PIO
Free	NO	YES	NO	YES	NO
Period covered	1949 to present	1990 to present	1980 to present	1977 to present	1900-2000
Contents indexed	Articles + chronicle	Articles	Articles rhe and reviews	Articles	Articles and reviews
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