TY  - RPRT
TI  - Of shadows and wind.
AU  - C W Callahan
PY  - 1998
DO  - 10.1002/(sici)1099-0496(199808)26:2<145::aid-ppul13>3.0.co;2-1
UR  - https://pubmed.ncbi.nlm.nih.gov/9727768/
ID  - 9727768
ER  -