TY  - RPRT
TI  - Evolutionary learning and hierarchical Markov systems.
AU  - H M Hastings
AU  - S Waner
AU  - Y R Wu
PY  - 1989
DO  - 10.1016/0303-2647(89)90020-8
UR  - https://pubmed.ncbi.nlm.nih.gov/2627563/
ID  - 2627563
ER  -