Technical Note - A Solvable Cyclic Scheduling Problem with Serial Precedence Structure. - Robert S. Garfinkel; W. J. Plotnicki (Oper. Res., 1980)

Fixed Cycle Scheduling: A Solvable Problem with Empty Precedence Structure. - Robert S. Garfinkel; W. J. Plotnicki (Oper. Res., 1990)