[Cargill92] pp. 85-86, 152, 174-177 •
[Lakos96] §0.2.1-2, §1.8, §8.1-2 •
[Meyers97] §18 •
[Stroustrup00] §16.2.2, §23.4.3.2, §24.4.3 •
[Sutter04] §37-40