000 00293nam a2200109Ia 4500
008 190829s9999 xx 000 0 und d
082 _a531
_bWIL/FO
100 _aWILLIAMS, D.J.
245 0 _aFORCE, MATTER AND ENERGY
260 _bEnglish Universities Press Limited, London
_a
_c1974
942 _cBK
999 _c9527
_d9527