APA (7th ed.) Citation

Hifi, M., & Yousef, L. Width Beam and Hill-Climbing Strategies for the Three-Dimensional Sphere Packing Problem. Polish Information Processing Society.

Chicago Style (17th ed.) Citation

Hifi, Mhand, and Labib Yousef. Width Beam and Hill-Climbing Strategies for the Three-Dimensional Sphere Packing Problem. Polish Information Processing Society.

MLA (9th ed.) Citation

Hifi, Mhand, and Labib Yousef. Width Beam and Hill-Climbing Strategies for the Three-Dimensional Sphere Packing Problem. Polish Information Processing Society.

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