TY  - RPRT
TI  - Optimal-adaptive filters for modelling spectral shape, site amplification, and source scaling
AU  - Erdal Safak
PY  - 1989
DO  - 10.1016/s0267-7261(89)80015-6
UR  - https://pubs.usgs.gov/publication/70015521
ID  - 70015521
ER  -