Books:

1) Ecology From Individuals to Ecosystems, Begon M., Townsend C.R., Harper J.L, 2006, Blackwell Publishing.

2) Mathematical Models in Biology by Johannes Miller.

Journals:

1) Bi-Logistic Growth by Perrin Meyer. Technological Forecasting and Social Change 47:89-102(1994).

2) Logistic Growth Model by Leonard Lipkin and David Smith. Journal of Online Mathematics and its Applications.

Webliography:

1) hypertextbook.com/chaos/42.shtml

2) mathworld.wolfram.com/LogisticEquation.html

3) classes.soe.ucsc.edu/math011a/Winter06/lecturenotes/SG6.pdf

4) www.azimuthproject.org/azimuth/show/Logistic+equation

5) courses.nres.uiuc.edu/nres407/Lecture%20notes/population_regulation.pdf