000
00278nam a2200121Ia 4500
008
220201s1982 xx 000 0 eng d
082
_a
621.9
_b
DAS
100
_a
Das,BR
245
0
_a
ITI workshop calculation
260
_b
Khanna publisher
_c
1982
300
_a
322
942
_2
ddc
999
_c
83158
_d
83158