000 00296nam a2200121Ia 4500
008 211209s1970 xx 000 0 und d
041 _aeng
082 _a530 N70 FEA
100 _aFEATHER N
245 _aMATTER AND MOTION, PENGUIN LIBRARY OF PHYSICAL SCIENCES
260 _c1970
300 _a195
999 _c14627
_d14627