000 00306nam a2200121 4500
008 160616s 000 0
245 _aDispersion relations and causal description
100 _aHilgevoord, Jan
500 _aC9B4:412 K0
942 _cBK
_2BK10649
080 _a539.12 HIL
080 _a539.12 HIL
999 _c10649
_d10649