@base . a ; "2410-972X" ; . a ; "1017-1703" ; . a ; "portico" ; "Portico" . a ; ; "20200206094000.0"^^ ; ; . a , , ; , , ; "Clean air journal." ; ; ; ; "2410-972X" ; ; ; "2410-972X" ; ; "2410-972X" ; "Clean air journal." , "Clean air journal (Online)" ; [ a ; "Preserved : 2003: 13, 2004: 14" ; "Preserved" ; "2024-03-26"^^ ; "Preserved : 2003: 13(1-2), 2004: 14(1)" ; ; [ "2410-972X" ; "Clean Air Journal" ; "Academy of Science of South Africa" ] ; "2003/2004" ] ; [ a ; "Preserved : 2010: 20, 2011: 21, 2012: 22, 2013: 23, 2014: 24, 2015: 25, 2016: 26, 2017: 27, 2018: 28, 2019: 29, 2020: 30, 2021: 31, 2022: 32" ; "Preserved" ; "2024-03-26"^^ ; "Preserved : 2010: 20(1-2), 2011: 21(1), 2012: 22(2), 2013: 23(1), 2014: 24(1-2), 2015: 25(1-2), 2016: 26(1-2), 2017: 27(1-2), 2018: 28(1-2), 2019: 29(1-2), 2020: 30(1-2), 2021: 31(1-2), 2022: 32(1-2)" ; ; [ "2410-972X" ; "Clean Air Journal" ; "Academy of Science of South Africa" ] ; "2010/2022" ] ; [ a ; "Preserved : 1991: 1, 1992: 2, 1993: 3, 1994: 4, 1995: 5, 1996: 6, 1997: 7, 1998: 8, 1999: 9, 2000: 10, 2001: 11" ; "Preserved" ; "2024-03-26"^^ ; "Preserved : 1991: 1(1-4), 1992: 2(1-4), 1993: 3(1-2), 1994: 4(1), 1995: 5(3-6), 1996: 6(1-8), 1997: 7(1-8), 1998: 8(1-8), 1999: 9(1-8), 2000: 10(1-8), 2001: 11(1)" ; ; [ "2410-972X" ; "Clean Air Journal" ; "Academy of Science of South Africa" ] ; "1991/2001" ] ; [ a ; "Preserved : 2006: 16, 2007: 17, 2008: 18" ; "Preserved" ; "2024-03-26"^^ ; "Preserved : 2006: 16(1-2), 2007: 17(2), 2008: 18(1)" ; ; [ "2410-972X" ; "Clean Air Journal" ; "Academy of Science of South Africa" ] ; "2006/2008" ] ; [ a ; "Preserved : 2002: 11, 2003: 13, 2005: 14, 2006: 15, 2007: 16" ; "Preserved" ; "2024-03-26"^^ ; "Preserved : 2002: 11(1), 2003: 13(1-2), 2005: 14(1), 2006: 15(1), 2007: 16(1-2)" ; ; [ "1017-1703" ; "Clean Air Journal = Tydskrif vir Skoon Lug" ; "Sabinet" ] ; "2002/2007" ] ; [ a ; "Preserved : 2009: 17, 2010: 18, 2011: 20, 2012: 21, 2012: 22, 2013: 23, 2014: 24, 2015: 25, 2016: 26, 2017: 27, 2018: 28, 2019: 29, 2020: 30" ; "Preserved" ; "2024-03-26"^^ ; "Preserved : 2009: 17(2), 2010: 18(1), 2011: 20(1-2), 2012: 21(1), 2012: 22(2), 2013: 23(1), 2014: 24(1-2), 2015: 25(1-2), 2016: 26(1-2), 2017: 27(1-2), 2018: 28(1-2), 2019: 29(1-2), 2020: 30(1)" ; ; [ "1017-1703" ; "Clean Air Journal = Tydskrif vir Skoon Lug" ; "Sabinet" ] ; "2009/2020" ] ; "http://www.cleanairjournal.org.za" . a , ; "Clean air journal (Online)" . a . .