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	1.		100 years of telephone switching (1878-1978) by Chapuis, Robert J Series: Studies in telecommunication vol.1 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Amsterdam: North Holland Publishing Company, 1982 Availability: Items available for loan: National Science Library (1)Call number: 621/395(091) M2.1. Place hold Add to cart (remove)
	2.		Electronic computers and telephone switching by Chapuis, Robert J Series: Studies in telecommunication vol.13 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Amsterdam: North Holland Publishing Company, 1990 Availability: Items available for loan: National Science Library (1)Call number: 621.395.12 N0. Place hold Add to cart (remove)
	3.		Electronic computers and telephone switching by Chapuis, Robert J Series: Studies in telecommunication vol.13 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Amsterdam: North Holland Publishing Company, 1990 Availability: No items available. Add to cart (remove)

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