Would anybody in your group know the following work and the address
of the author? ( I believe this book is relevant to your program).
Author:        Kaniss, Phyllis C.
Title:         Evolutionary change in hierarchical systems : a
                  general theory / by Phyllis C. Kaniss.
Published:     Ithaca, N.Y. (209 W. Sibley Hall, Cornell University,
                  Ithaca 14853) : Program in Urban and Regional
                  Studies, Cornell University, [1981]
Description:   xi, 380 p. ; 28 cm.
Series:        Regional science dissertation & monograph series ; # 9
Best wishes.
CHEN, Gang