lit review : Lister77 : nested monitor calls - explains the problem - no solution - Lister : An implementation of monitors. - Lister : Hierarchical monitors. Haddon77 : Nested monitor calls - monitors should be release before acquiring a new one. Horst Wettstein : The problem of nested monitor calls revisited - Solves nested monitor by allowing barging David L. Parnas : The non problem of nesied monitor calls - not an actual problem in real life M. Joseph and VoR. Prasad : More on nested monitor call - WTF... don't use monitors, use pure classes instead, whatever that is Joseph et al, 1978). Toby bloom : Evaluating Synchronization Mechanisms - Methods to evaluate concurrency