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Networks of workstations (NOWs) provide an economical platform for high performance parallel computing. Such networks may comprise a variety of different types of workstations and network devices. This paper addresses the problem of efficient multicast in a heterogeneous communication model. Although the problem of finding optimal multicast schedules is(More)
The mechanism for demethylation of DNA in rat myoblasts has recently been studied using a new in vitro system that monitors demethylation in whole cell extracts. Previous investigations using this system had indicated that demethylation is resistant to conditions that are normally assumed to denature or digest proteins. Remarkably, it was reported that the(More)
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