000 00426nam a2200157Ia 4500
008 160615s9999 xx 000 0 und d
100 _aNATIONAL COUNCIL ON RADIATION PROTECTION AND MEASUREMENTS
245 _aProtection against radiation from brachy therapy sources
260 _bNCRP
260 _c1972
300 _avi p. + 65
440 _aNCRP Report No.40
942 _cBooks
999 _c9614
_d9614