Before revision:  In the first part of the article we discuss the deterministic versions of these models . The discussion is also instrumental , on the basis of some very simplified , but working, hypotheses , to frame the logistic and \theta-logistic equations in an unified context, within which also the Gompertz model emerges from  anomalous scaling.
After revision:  In the first part of the article we discuss the deterministic versions of these models : a prologue which turns out to be instrumental - on the basis of some very simplified , but working, hypotheses , to frame the logistic and \theta-logistic equations in an unified context, within which also the Gompertz model emerges from anomalous scaling.