By Eley B. S.   Hughes J.   Potgieter S.   Keraan M.   Burgess J.   Hussey G. D.   in Annals of Tropical Paediatrics

ISSN:1465-3281|19|1|3-7

Maney Publishing‎(1999)‎

Access to resources Favorite 5.1881332

By Potgieter S.S.   Strydom C.A.   Gheevarhese O.   in Minerals Engineering

ISSN:0892-6875|16|8|767-770

Elsevier‎(2003)‎

Access to resources Favorite 2.1797254