[Cargill92] pp. 19-20 • [Cline99] §5.13, §7.01-8.15 • [Dewhurst03] §92 • [Liskov88] • [Meyers97] §35 • [Stroustrup00] §12.4.1, §23.4.3.1, §24.3.4 • [Sutter00] §22-24