TY  - BOOK
AU  - United Nations Educational,Science and Cultural Organization ( UNESCO )
TI  - African Journal of Science and Technology Volume 3: number 1 June 2002 
SN  - Science and Engineering  Series.
U1  - 607.6 UNI 
PY  - 2002///
CY  - Nairobi 
PB  -  Reseau  African Dinstitutions Scientifques et Technologiques
KW  - Science
ER  -