The conformational properties of calix[4]arenes 1h NMR and molecular mechanics calculationsF. Bayard, D. Decoret, D. Pattou, J. Royer, A. Satrallah and J. VicensJ. Chim. Phys., 86 (1989) 945-954DOI: https://doi.org/10.1051/jcp/1989860945