000
00253nam a2200109Ia 4500
008
220201s1999 xx 000 0 eng d
100
_a
GOPAL KRISHNAN, P.
245
0
_a
HANDBOOK OF MATRIALS
260
_a
DELHI
_b
PHI
_c
1999
300
_a
446
942
_2
ddc
999
_c
67859
_d
67859