@base .
a , , ;
, , ;
"South African industrial chemist." ;
;
;
"0370-8225" ;
;
"0370-8225" ;
;
"0370-8225" ;
"South African industrial chemist." , "South African industrial chemist" ;
.
.
a ;
"0370-8225" ;
.
a ;
.
a ;
"0370-8225" ;
.
a , ;
"South African industrial chemist" .
a ;
;
"20040609171100.0"^^ ;
;
.
"South Africa" .
a .