TY  - BOOK
AU  - J. Clendinning
TI  - Principles and use of surveying instruments
U1  - 624.1517 
PY  - 1950///
CY  - London
PB  - Blackie and son Ltd
N1  - J. Clendinning: Principles and use of surveying instruments.  London.  Blackie and son Ltd, 1950.--(624.1517CLE)
ER  -