000
00243nam a2200109Ia 4500
008
220201s1969 xx 000 0 eng d
100
_a
Raman, MVV
245
0
_a
Quality control
260
_b
New Delhi: NPC
_c
1969
300
_a
20
942
_2
ddc
999
_c
77700
_d
77700