000
00318nam a2200133Ia 4500
008
220201s1993 xx 000 0 eng d
041
_a
ENG
100
_a
BERDE, M S
245
0
_a
THYRISTOR ENGINEERING
250
_a
7
260
_a
LONDON
_b
THAMES AND HUDSON PUBLISHING COMPANY
_c
1993
300
_a
712
942
_2
ddc
999
_c
60437
_d
60437