input: [0] Access [1] Mainly held in libraries or on subscription-based databases - few are freely available on the WWW. [3] Many titles available from major newsagents, public libraries and some university libraries. [4] Available in supermarkets and newsagents. [5] Available in newsagents. [2] 
output: Mainly held in libraries or on subscription-based databases. Commonly available as part of professional / trade association membership.