000 00288nam a2200121Ia 4500
008 230718s9999||||xx |||||||||||||| ||und||
082 _a620.1
100 _aMC LEAN W G
245 0 _aTHEORY & PROBLEMS OF ENGG MECHANICS
250 _a3
260 _bM G H
_c1980
_aNEWYORK
300 _a408
999 _c19766
_d19766