000 00236nam a2200109Ia 4500
008 160710s1948 xx 000 0 und d
100 _aCARLIN, B
245 _aULTRASONIC
260 _bMCGRAW-HILL
_c1948
300 _a270
942 _2ddc
_cB
999 _c9757
_d9757