Sheppard SD. D/H, 13C/12C and 18O/16O isotope studies of megacryst and matrix minerals from Lesothan and South African kimberlites. IKC abstracts [Internet]. 1973 Aug. 13 [cited 2024 Oct. 31];1:283-6. Available from: https://journals.library.ualberta.ca/ikcabstracts.com/index.php/ikc/article/view/908