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\bibitem{deBock_etal1996} {\textquotedblleft}\textit{Micro-analysis of individual aerosol particles using electron, proton and laser beams}{\textquotedblright}. de Bock LA, Jambers W, Van Grieken RE, South African journal of chemistry = Suid-Afrikaanse tydskrif vir chemie \textbf{49}, 65 (1996)

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