000 00302nam a2200109Ia 45e0
008 181001s1969 xx 000 0 und d
100 _aDarkov A.
245 0 _aStructural Mechanics
260 _aMascow
_bMir Publication
_c1969
300 _a289
942 _2ddc
_cBK
999 _c1525
_d1525