CL4S, in cooperation with UKCIS, introduced CA Selects in response to many requests from thse user-subscriber community for such a service. The flexibility of the CA production system, the availability of a complete computer-readable version of CA, and the advent of full-page ph,otccomposition in 1975 allowed the production of the selects in a timely and economic manner with a quality equivalent to that of CA itself. While it is not a completely individualized, user-designed SDI service, CA Selects is nevertheless aimed at meeting the needs of individuals, small and large companies, and academic, government, and research institutions.
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