[email protected]
	Alexey Cortext, Israel	[email protected]
	David Bloch MRBLOCH ARCHIVE, Israel	[email protected]
	George Twigg freelance salt research !, UK	[email protected]
	Joep Orbons Souterrains, The Netherlands	[email protected]
	Juan A. Echeverri Universidad Nacional, COLOMBIA (S.A.)	[email protected]
	Nadav Harel MRBLOCH ARCHIVE, Israel	[email protected]

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