. . "Presidential travel : costs and accounting for the President's 1998 trips to Africa, Chile, and China : report to Congressional requesters"@en . . . . . . . . . . . . . . "Presidential travel costs and accounting for the President's 1998 trips to Africa, Chile, and China : report to congressional requesters"@en . . . . "Costs and accounting for the President's 1998 trips to Africa, Chile, and China"@en . .