000
00233nam a2200109Ia 4500
008
200701s1998 xx 000 0 eng d
100
_a
GANGADHAR
245
0
_a
FIELD THEORY
260
_b
S CHAND
_c
1998
300
_a
650
942
_2
ddc
_c
GE
999
_c
768
_d
768