000 00322nam a2200121Ia 4500
001 131136
008 170722s9999 xx 000 0 und d
245 _aPSC study manual :
_bsecretariat assistant. /
260 _aTrivandrum :
_bACE publications ,
_c1999.
300 _a138 p.
_c25cms
653 _aGeneralia
942 _cGEN
999 _c120288
_d120288