000 00282nam a2200109Ia 4500
008 140122s9999 xx 000 0 und d
082 _a574 Koehler J
100 _aKoehler J K
245 _aAdvance techniques in biological electron microscopy
260 _b
_c1973
942 _cBK
_2ddc
999 _c3509
_d3509