TY  - JOUR
T1  - On the Reflection of Waves from a Stratum of Gradually Varying Properties, with Application to Sound
JF  - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934)
VL  - 81
IS  - 547
SP  - 286
EP  - 299
PY  - 1908/09/11/
UR  - http://dx.doi.org/10.1098/rspa.1908.0082
M3  - doi:10.1098/rspa.1908.0082
AU  - Nicholson, J.
ER  -