scientific article published on 30 September 1962

scientific article published on April 2002

scientific article published on 31 March 1964

scientific article published on 31 December 1961

scientific article published on 31 March 1961

scientific article published on 30 September 1960

scientific article published on 31 December 1959

scientific article published on 31 March 1959

scientific article published in 2008

scientific article published on 31 December 1959

scientific article published in March 1965

scholarly article by Manfred Mackauer & Thelma Finlayson published October 1967 in The Canadian Entomologist

scientific article published in December 1998

scientific article published in December 1959

scientific article published on 31 March 1960