00630nus0 22001933i 450 PUV010057420251003044310.020080128f ||||0itac50 bausbzu |||||||ACM doctoral dissertation award and distinguished dissertation seriesCambridge, Mass. <etc.>MIT press001MIL01321042001 ACM doctoral dissertation awardsITIT-00000020080128IT-BN0095 PUV0100574 01ACM doctoral dissertation award and distinguished dissertation series1574091UNISANNIO