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<ahref="https://plu.mx/plum/a/?doi=10.1016%2F0301-0104(93)e0432-u"data-popup="right"data-size="large"class="plumx-plum-print-popup"data-site="plum"data-hide-when-empty="true">Fluorescence depolarization of solutions and ordered systems. Photochemical reactions in the excited states. II. General considerations (b)</a>