Scheduling processor bound systems



I'm looking for some article:
D K Goyal (1976) "Scheduling processor bound systems" Report No
CS-76-036 CS Dept., Washington State Univ., Pullman, WA.


Or Does anybody know precedence constrained scheduling problem when
partial order is quasitree?


Or Does anydoby know quasitree it is the same as "cycle forest"?


Please Help!!!

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