HIML, M., POJAROVÁ, M., STIBOR, I., SÝKORA, J., LHOTÁK, P. Stereoselective Alkylation of Thiacalix[4]arenes. Tetrahedron Letters. 2005, 46(3), 461-464. ISSN 0040-4039. E-ISSN 1873-3581.