000
00280nam a22001097a 4500
082
_a
621.31042SAY
100
_a
Say M
245
_a
Introduction to the unified theory of electromagnetic mechanics
260
_a
London
_b
The english book socity
_c
1980
300
_a
1985
942
_c
BK
999
_c
12431
_d
12431