000 003030000a22001330004500
245 _aSafeguards techniques : proceedings of...
260 _aVienna
_c1970
300 _a2 v.
440 _aProceedings series
500 _a612 p.; 502 p.
080 _a621.039.58
_bI6
041 _aEN
942 _cBK
999 _c102611
_d102611