TY  - BOOK
AU  - Cooper,Michael Alan Ralph
TI  - Modern theodolites and levels / 
SN  - 0258968087
U1  - 526.9028 COO 
PY  - 1971///
CY  - London : 
PB  - Lockwood, 
KW  - Theodolites
KW  - Levels (Surveying instruments)
N1  -  Bibliography: (p.115)
ER  -