000 00397nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aRehkugler, G.H., Gunkel, W.W.
245 _aDynamic behavior of tree limbs forced by an intermittent harmonic displacment
260 _aWashington
_c1971
300 _a1-12 p.
440 _aAmerican Society of Agricultu
901 _a112100
942 _cB
_2udc
999 _c10699
_d10699