PublicationPublication Type: Journal Article Authors: Raich, James W; Farrar, Donald R; Herzberg, Ruth A; Sin, EENAM; Johnson-Groh, CINDY L Source: JOURNAL-IOWA ACADEMY OF SCIENCE, THE IOWA ACADEMY OF SCIENCE, INC., Volume 106, p.40-46 (1999) ISBN: 0896-8381 Google ScholarXML