The material in the following link has appeared as:

Sub-Doppler spectroscopy of the PH radical: hyperfine structure in the A³Π state:
J. Chem. Phys., 118, 4539-4545 (2003) James A. J. Fitzpatrick, Oleg V. Chekhlov, and Colin M. Western, and S. H. Ashworth

and may be found at The Journal of Chemical Physics website  or downloaded from this site. This material is copyright 2003 American Institute of Physics. The article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

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