000 00328 am a2200121 a 4500
100 1 _aCochrane, R.H.
245 1 _aTorque reaction and tractor safety
260 _aChristchurch
_c1950
300 _a1-4 p.
942 _2udc
_cB
440 _aTorque Canterbury Chamber of Commerce. Agricultural Bulletin No. 250
901 _aS54305
999 _c112421
_d112421