000
00316nam a2200133Ia 4500
008
210901s1970 xx 000 0 eng d
082
_a
540 GUP
100
_a
Gupta, S.P.
245
2
_a
A text book of practical physics
260
_a
Delhi
_b
S.Chand
_c
1970
300
_a
162
650
_a
Chemistry
942
_2
ddc
_c
BK
999
_c
10640
_d
10640