TY  - BOOK
AU  - Nyambok, Isaac
TI  - Geosciences and the environment 
SN  - 978 9966 8462 0 4 9966 846 20 4
U1  - 551 NYA 
PY  - 1993///
CY  - Nairobi 
PB  -  Nairobi University Press
ER  -