000 00334nam a2200145Ia 4500
020 _a0809496755
082 _b3523
_a000
100 _a"Alexandria, Virginia"
245 0 _aPhysical Forces
260 _bTIME LIFE BOOKS
_aUSA
_c1992
300 _a151
944 _cR
999 _c258464
_d258464