000			00434nam a2200157Ia 4500
003			NIELib
008			211019s9999||||xx |||||||||||||| ||und||
020			_a0-87065-957-X
082			_a530 _bROS
100			_aRosen, Seymour _912504
245			_aPhysics Workshop-2 : understanding forces
260			_bLearning Traends. A Division, _c1978. _aNew York :
300			_a186p.; _bCol.ill.; _c28cm
650			_aPhysics
942			_2ddc _cLM
999			_c25212 _d25212