000 00311pam a2200133a 44500
010 _a59013829
040 _aIIT, Kanpur
082 _a530.12
_bB769W
100 _aBrillouin, Leon
245 1 _aWAVE PROPAGATINON AND GROUP VELOCITY
260 _a
_bAcademic Press
_c1960
964 _gCIRC
997 _a10264 C
999 _c409948
_d409948