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020 _a0-7131-3378-3
082 0 0 _a531. 024 62 harr
100 1 _a"harrison, h r. "
245 1 0 _aprinciples of engineeering mechanics:
_b/
_c h.r. harrison
250 _a1 ed.
260 _auk :
_bedward arnold
_c1978.
300 _a", 255p.;
_c25 cm."
504 _a
650 0 _amechanics
_xengineering
999 _c54390
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