Martha Davis Essays on Roger Barker, R.F. Bales, Albert Sheflen and Irmgard Bartenieff.Methods of Perceiving Patterns of Small Group Behavior$24.95PriceQuantity*Add to CartBuy NowProduct:88 pages, paperbound, 5 1/2” x 8 1/2” ISBN 0-932582-11-7 ISBN-13 978-0-932582-11-9Product Code:DNB01226