Weill, R., Spur, G., Eversheim, W

Brodsky, Jeffrey

M. Shokri A. Hamid, Mohd. Ruddin Abdul Ghani, Seminar Penyelidikan Fakulti Kejuruteraan Elektrik (1993 : Universiti Teknologi Malaysia, Kuala Lumpur)

Landscape Institute

Um, Dugan, author

Byrnes, David, Fane, Bill

Kurowski, Paul M., author

Stine, Daniel John, author

Plantenberg, Kirstie, author

Planchard, David C., author

Stine, Daniel John, author, Hanson, Jefrey L., author

Shih, Randy H., author