Dyfyniad APA

Weichel, h. (1990). Laser beam propagation in the atmosphere. SPIE- International Society for Optical Engineering.

Dyfyniad Arddull Chicago

Weichel, hugo. Laser Beam Propagation in the Atmosphere. Washington: SPIE- International Society for Optical Engineering, 1990.

Dyfyniad MLA

Weichel, hugo. Laser Beam Propagation in the Atmosphere. SPIE- International Society for Optical Engineering, 1990.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.