000 00263nam a2200109Ia 4500
008 160710s1948 xx 000 0 und d
100 _aMOTH,N.F AND SNEDDON ,I.N
245 _aWAVE MACHINES ADN THE APPLICATIONS
260 _c1948
300 _a393
942 _2ddc
_cB
999 _c9546
_d9546