000 00251pas a2200097 454500
008 160820b1981 xxu||||| |||| 00| 0 eng d
022 _a
245 _aSCIENCE SERVICE
260 _aNEW DELHI
_bPRESS TRUST OF INDIA
_c1981
906 _a
_b
_c
_dJan - Dec,2008
999 _c474038
_d474038