000 nam a22 7a 4500
999 _c274
_d274
040 _bViet Nam
100 _4Phan Van
_aPhan Van
245 _aThong tin hoc
260 _aHa Noi
_bDai hoc Quoc Gia
_c2001
300 _a257
_b15 hinh anh
_c19
942 _2ddc