@article {3487,
	title = {Relat{\'o}rio 151/97 - NF, Equipamento para realiza{\c c}{\~a}o dos ensaios segundo as normas ASTM D 4253-93 e D 4254-91},
	year = {1997},
	institution = {LNEC - Laborat{\'o}rio Nacional de Engenharia Civil},
	address = {Lisbon},
	author = {Varandas, J.N. and Bil{\'e} Serra, J.P.}
}
