TY  - GEN
AU  - Birchal,H.F.
TI  - Modern surveying for civil engineers: The practice of surveying, estimating and setting out works of all kinds including chapters on modern photographic and aerial surveying as applied to engineering enterprises
PY  - 1955///
CY  - London
KW  - Surveying
KW  - Aerial Surveying
KW  - Engineering
ER  -