000
00276nam a2200121Ia 4500
008
220201s1979 xx 000 0 eng d
082
_a
526.9
_b
KOC
100
_a
Kochher,CL
245
0
_a
Surveying
260
_b
Ludhiana:Katson pub house
_c
1979
300
_a
279
942
_2
ddc
999
_c
80331
_d
80331