A start point for some library research could be:
@article{Carafa1990,
author = "Y. A. Carafa
and E. Brody
and C. Thermes",
title = "Prediction of rho-independent {{\em E. coli}} transcription
terminators: a statistical analysis of their {RNA} stem loop structures",
journal = "J. Mol. Biol.",
volume = "216",
pages = "839-843",
year = "1990"}
Tom Schneider
National Cancer Institute
Laboratory of Mathematical Biology
Frederick, Maryland 21702-1201
toms at ncifcrf.gov