by MERTZ, JAMES L., PELOSO, JAMES S., BARKER, BILL J., BABBITT, GEORGE E., OCCOLOWITZ, JOHN L., SIMSON, VALJEAN L., KLINE, RICHARD M.
Published in Journal of antibiotics (1986)

by Coleman, M.R. (Eli Lilly and Company, Greenfield, IN.), Peloso, J.S, Moran, J.W
Published in Journal of AOAC International (01.05.1995)