Photochemical effects in the production of cometary radicals and ions.
Photochemical production of cometary molecular radicals and ions, comparing observed densities with calculations based on photodissociation and photoionization
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Photochemical production of cometary molecular radicals and ions, comparing observed densities with calculations based on photodissociation and photoionization
Spin extended Pariser-Parr-Pople self consistent field approximation calculations for pi electron spin densities of various hydrocarbon radicals and ions
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