000
00233nam a2200097Ia 4500
008
230512s9999 xx 000 0 und d
100
_a
J SEN GUPTA
245
0
_a
PC RAY
260
_b
NBT,NEW DELHI(NATIONAL BOOK TRUST,INDIA)
942
_c
BK
999
_c
4363
_d
4363