Handdug wells and their construction
Watt.S.B
Handdug wells and their construction S.B Watt ,W.E Wood - London Intermediate technology publications 1977 - 253p. ill 20cm
include bibliography and index
0903031574
TD404.W3 1977
Handdug wells and their construction S.B Watt ,W.E Wood - London Intermediate technology publications 1977 - 253p. ill 20cm
include bibliography and index
0903031574
TD404.W3 1977