000 00345 a2200121 4500
080 _a621
_bH 484 M
245 1 _aMechanical engineering science for G1, G2, T1 and T2 courses
_cby R.M. Helsdon
260 _aLondon
_bD. Van Nostrand Co.
_c1968
650 _aMechanical Engineering
100 1 _aHelsdon, R.M.
_d
300 _a182 p.
901 _a103846
999 _c39631
_d39631