@inbook{65d6f0c9ceab4d498a586f934ffd3dd7,
title = "The orbital angular momentum of light",
keywords = "GEOMETRIC PHASE, LAGUERRE-GAUSSIAN BEAMS, LASER MODES, ROTATIONAL FREQUENCY-SHIFT, SPIRAL PHASEPLATE, PARAXIAL WAVE OPTICS, RADIATION PRESSURE, SPIN, 2ND-HARMONIC GENERATION, ATOMIC MOTION",
author = "L Allen and MJ Padgett and M Babiker",
year = "1999",
language = "English",
series = "PROGRESS IN OPTICS",
publisher = "Elsevier",
pages = "291--372",
booktitle = "PROGRESS IN OPTICS, VOL XXXIX",
address = "Netherlands",
}