000 00382nam a2200133Ia 4500
008 190711s9999 xx 000 0 und d
020 _a0387973575
082 _a530.12 W388
100 _aWEDER,R.
245 0 _aSPECTRAL AND SCATTERING THEORY FOR WAVE PROPAGATION IN PERTURBED STRATIFIED MEDI
260 _aNEW YORK
_bSpringer
_c1991
300 _a188p.,24x12Cms.
942 _cBK
_2DDC
999 _c33856
_d33856