@inbook{inbook, title = {{Verwoerd, Hendrik (1901-66)}}, publisher = {{John Wiley & Sons, Ltd}}, url = {{}}, year = {{2015}}, month = {{12}}, author = {{Hammett D}}, doi = {{10.1002/9781118663202.wberen355}}, pages = {{1-2}}, note = {{Accessed on 2024/12/22}}}