Spectral Identification of Lighting Type and Character
Sodium-vapor lamp - Wikipedia
File:High Pressure Sodium Lamp Spectrum.jpg - Wikimedia Commons
Evolution of the spectrum of a Low Pressure Sodium Lamp. | Download Scientific Diagram
Emission spectrum of a high pressure sodium lamp. | Download Scientific Diagram
The Low Pressure Sodium Lamp
File:Low-pressure sodium lamp spectrum.svg - Wikimedia Commons
Relative spectral emission of (a) high-pressure sodium (HPS) lamp... | Download Scientific Diagram
High- and Low-Pressure Sodium Lamp | SpringerLink
The Sky above La Palma
LUMAXPRO - 400W SODIUM LAMP
Light Sources
The light spectrum of high-pressure sodium (HPS) and plasma lights. | Download Scientific Diagram
Spectrum of Sodium Vapor Lamps | Download Scientific Diagram
Ultra Sun HPS 1000 Grow Lamp - Full Spectrum High Pressure Sodium Lamp, Ideal for Plant Growth, 1000 W
Low Pressure Sodium LPS lamps are more closely related to fluorescent than High Intensity Discharge lamps, since they have a low–pressure, low–intensity. - ppt download
Hydrogen-Like Atoms:Sodium
High- and Low-Pressure Sodium Lamp | SpringerLink
The Sodium Lamp - How it works and history
Plantmax – 150W High Pressure Sodium Lamp – Allstate Garden Supply
Spectrum Analysis: High Pressure Sodium Lamp -- xmdemo 104 - YouTube
Comparing LED Lighting To High-Pressure Sodium Lamps - Greenhouse Grower
LICA-UCM lamps spectral database
