*. 10-12-1938, Kepahian (Sum.) (NI)
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†. 26-12-1987, Amersfoort (UT)
[ ].  
ali.  
Beroep. bodemkundig ingenieur, technical officer, land classification soil resources, management and conservation services, land and water development division, FAO (Food and Agriculture Oraganization) of the United Nations in Rome
 
*.  
~.  
†.  
[ ].  
ali.  
Beroep.