@string{JASA = "Journal of the Acoustical Society of America"}
@string{JFI = "Journal of the Franklin Institute"}
@string{PHYREV = "Physical Review"}
@string{PNAS = "Proceedings National Academy Science"}
@string{BLR = "Bell Laboratories Record"}
@string{BSTJ = "Bell System Technical Journal"}

@article{Xiao93
,author={Xiao, Di, and Gilbert, Kenneth E.}
,title={An exact {L}aplace transform formulation for a point
	source above a ground surface}
,journal=JASA
,year=1993
,month=feb
,volume=93
,number=2
,pages={714--720}
,note={Exact solution to finite impedance plane image problem.
	Uses a spacial Laplace transform to represent the reflection
	coefficient distribution. Nice!} }