@article {3501,
	title = {The electrostatic molecular potential of imidazole},
	journal = {Rev. Port. Qu{\'\i}mica},
	volume = {24},
	year = {1982},
	author = {M. Costa and Alberto Amaral and V. Morais}
}
@article {3499,
	title = {Calculations on intramolecular hydrogen bonds by the molecular force field/CNDO2 method},
	journal = {Rev. Port. Qu{\'\i}mica},
	volume = {22},
	year = {1980},
	author = {V. Morais and Alberto Amaral and JANF Gomes}
}
