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Francesco Lelj Giancarlo Morelli Giampaolo Ricciardi Antonio Roviello Augusto Sirigu
Liquid Crystals, 1992 V.12, Iss.6 p 941 - 960
Discotic mesomorphism of 2,3,7,8,12,13,17,18-octakis (alkyl-thio) 5,10,15,20 tetraaza porphyrin and its complexes with some divalent transition metal ions Synthesis and characterization
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http://dx.doi.org/10.1080/02678299208032810