000 00289nam a2200121Ia 4500
008 160710s1950 xx 000 0 und d
082 _a621.1 BRO
100 _aBROWN ,H. B.
245 _aENGINEERING SCIENCE
260 _bMACMILLAN AND CO.LIMITED
_c1950
300 _a450
942 _2ddc
_cB
999 _c12729
_d12729