000 00322nam a2200121Ia 4500
001 27264
008 170722s9999 xx 000 0 und d
100 _aWells, P. N. T.
245 _aPhysical principles of ultrasonic diagnosis /
260 _c1969.
490 _aMedical physics series ed by J M A Leninhan
942 _cGEN
999 _c75798
_d75798