000 00263nam a2200109Ia 4500
008 160710s1951 xx 000 0 und d
082 _a623.53 GRE
245 _aINTERNAL BALLISTICS
260 _bMAJESTYS STATIONERY OFFICE
_c1951
300 _a311
942 _2ddc
_cB
999 _c19298
_d19298