https://commons.ru.ac.za/vital/access/manager/Index en-us 5 A re-examination of the Carter solutions of Einstein's field equations https://commons.ru.ac.za/vital/access/manager/Repository/vital:5442 Wed 12 May 2021 18:57:36 SAST ]]> Twistors in curved space https://commons.ru.ac.za/vital/access/manager/Repository/vital:5429 Wed 12 May 2021 17:06:59 SAST ]]>