APA (7th ed.) Citation

Zhu, A. (1999). Accurate direct ray tracing in charged particle optics.

Chicago Style (17th ed.) Citation

Zhu, Aiming. Accurate Direct Ray Tracing in Charged Particle Optics. 1999.

MLA (8th ed.) Citation

Zhu, Aiming. Accurate Direct Ray Tracing in Charged Particle Optics. 1999.

Warning: These citations may not always be 100% accurate.