000 00281nam a2200121 4500
008 160616s 000 0
245 _aData communications
100 _aDen Heijer, P.C.
100 _aTolsma, R
500 _aD6,8(B) M631
942 _cBK
_2BK6677
080 _a681.324 DEN
999 _c6677
_d6677