Surveying for field scientists /
Pugh, John Charles.
Surveying for field scientists / J. C. Pugh. - London : Methuen, 1975. - xxi, 230 p. : ill.
0416075207
Surveying.
Surveying for field scientists / J. C. Pugh. - London : Methuen, 1975. - xxi, 230 p. : ill.
0416075207
Surveying.