000 00330nam a2200109Ia 4500
008 211215s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aBirman, M.Sh. Ed.
245 0 _aspectoral theory and problems in Diffraction: Vol. 2
260 _bconsultants Bureau
_aNew york
_c1967
942 _c1
999 _c97809
_d97809