000 00304nam a2200121 4500
008 160616s 000 0
245 _aCrystal optics and additional light waves
100 _aPekar, S.I.
440 _aFrontiers in physics, 57
500 _aC51 M36
942 _cBK
_2BK9315
080 _a535 PEK
999 _c9315
_d9315