000 00309nam a2200121Ia 4500
008 160710s1958 xx 000 0 und d
082 _a621 WAL
100 _aWALKER, J. D.
245 _aMECHANICAL ENINEERING SCIENCE
260 _bTHE ENGLISH UNIVERSITIES PRESS PVT.
_c1958
300 _a195
942 _2ddc
_cB
999 _c25481
_d25481