000
00266nam a2200109Ia 4500
008
220201s1997 xx 000 0 eng d
100
_a
SINHA, UMESH
245
0
_a
ANTINNA & WAVE PROPAGRATION
260
_a
DELHI
_b
SATYA PRAKASHAN
_c
1997
300
_a
939
942
_2
ddc
999
_c
67527
_d
67527