@article{ghorbani-choghamarani_zolfigol_hajjami_goudarziafshar_nikoorazm_yousefi_tahmasbi_2011,  title={Nano aluminium nitride as a solid source of ammonia for the preparation of hantzsch 1,4-dihydropyridines and bis-(1,4-dihydropyridines) in water via one pot multicomponent reaction},  volume={22},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532011000300016},  DOI={10.1590/S0103-50532011000300016},  number={3},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Ghorbani-Choghamarani, Arash and Zolfigol, Mohammad Ali and Hajjami, Maryam and Goudarziafshar, Hamid and Nikoorazm, Mohsen and Yousefi, Somaieh and Tahmasbi, Bahman},  year={2011},  month={Mar},  pages={525–531} }