000
00282nam a2200109Ia 4500
008
140122s9999 xx 000 0 und d
082
_a
574 Koehler J
100
_a
Koehler J K
245
_a
Advance techniques in biological electron microscopy
260
_b
_c
1973
942
_c
BK
_2
ddc
999
_c
3509
_d
3509