000			00308 a2200133 4500
020			_a0030896398
082			_a530 _bPRO
090			_c14350 _d21228
245			_aProject physics
260			_aNew York _bHolt rinehart and Winston _c1975 _g1975
300			_avii, 185p. _c25cm.
650			_aPhysics
942			_cL
999			_c42545 _d42545