s10.3 the distribution of the shrill carder bee bombus sylvarum on the Gwent levels, 1998 to 2010 [Howe, 2012], file type: PDF, file size: 1 MB
s10.3 dosbarthiad y gwenyn shrill carder bombardum sylvarum ar lefelau Gwent, 1998 i 2010 [Howe, 2012], math o ffeil: PDF, maint ffeil: 1 MB