TY  - BOOK
AU  - Blankwaardt, Bob
ED  - Rwegarulila Water Resources Institute
TI  - Hand drilled wells: a manual on sitting, design, construction and  maintenance / Bob Blankwaardt
U1  - B 15.112 BLA -4201   
CY  - Tanzania, 1984.
KW  - Wells
KW  - Water supply
KW  - ENG
ER  -