000
00251nam a2200109Ia 4500
008
220201s1961 xx 000 0 eng d
100
_a
Jai Krishana
245
0
_a
Plane reinforced concrete
260
_b
New Chand
_c
1961
300
_a
678
942
_2
ddc
999
_c
70501
_d
70501