Dr Willem van der Ross (77), researcher known for his study of double stars, dies in Johannesburg.

Updated: 30 Sep 2019

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01Wallis, F. (2000). Nuusdagboek: feite en fratse oor 1000 jaar, Kaapstad: Human & Rousseau

Last updated · 30 Sep 2019

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South African History Online. (2012, March 19). Dr Willem van der Ross (77), researcher known for his study of double stars, dies in Johannesburg.. South African History Online. https://sahistory.org.za/ref/E-0079803

South African History Online (2012) 'Dr Willem van der Ross (77), researcher known for his study of double stars, dies in Johannesburg.', South African History Online, 19 March. Available at: https://sahistory.org.za/ref/E-0079803 (Accessed: 20 August 2026).

South African History Online, Dr Willem van der Ross (77), researcher known for his study of double stars, dies in Johannesburg. [website], https://sahistory.org.za/ref/E-0079803, (accessed 20 August 2026).

"Dr Willem van der Ross (77), researcher known for his study of double stars, dies in Johannesburg.." South African History Online, 19 Mar. 2012, https://sahistory.org.za/ref/E-0079803. Accessed 20 Aug. 2026.

South African History Online. "Dr Willem van der Ross (77), researcher known for his study of double stars, dies in Johannesburg.." South African History Online. March 19, 2012. https://sahistory.org.za/ref/E-0079803.