000
002600000a22001210004500
245
_a
Booking of surveying observations
100
_a
Cole, G.
260
_a
London
_b
Intertext
_c
1970
300
_a
32 p.
080
_a
528.06
_b
C6
041
_a
EN
942
_c
BK
999
_c
93168
_d
93168