000 00275nam a2200109Ia 4500
008 140317s9999 xx 000 0 und d
082 _a20
100 _aBritish Standard Instt.
245 _aUniversal Decimal Classification. Vol. IV Pt. II
260 _a
_b
_c
942 _2ddc
_cBK
999 _c1080
_d1080