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Sriwalai Chaisang Omapinyan. 1997. Vibrational spectroscopy of porphyrins, phthalocyanines and tetraphenyl derivatives of group IV-A elements. , University of East-Anglia;
Sriwalai Chaisang Omapinyan. (1997) Vibrational spectroscopy of porphyrins, phthalocyanines and tetraphenyl derivatives of group IV-A elements . University of East-Anglia/[S.l.].
Sriwalai Chaisang Omapinyan. Vibrational spectroscopy of porphyrins, phthalocyanines and tetraphenyl derivatives of group IV-A elements. . [S.l.]:University of East-Anglia, 1997.
Sriwalai Chaisang Omapinyan. (1997) Vibrational spectroscopy of porphyrins, phthalocyanines and tetraphenyl derivatives of group IV-A elements . University of East-Anglia/[S.l.].