Research ArticleOpen accessIn the keywordsOn Concircular Structure Spacetimes IIA. Shaikh, Kanak Kanti BaishyaWe studied concircular structure spacetimes which are connected 4-dimensional Lorentzian concircular structure manifolds. …American Journal of Applied Sciences, Vol. 3, Issue 4 · 30 Apr 2006 · 6,692 accessesView PDFCiteShare