000 00296nam a2200121Ia 4500
008 160710s1969 xx 000 0 und d
082 _a500 GRO
100 _aGRUSS, JESSE
245 _aSTUDY LESSONS IN GENERAL SCIENCE : WORK AND ENERGY
260 _bUSA
_c1969
300 _a64
942 _2ddc
_cB
999 _c37127
_d37127