@string{popl98="Proceedings of the 25th Annual {ACM} {SIGPLAN-SIGACT} Symposium on Principles of Programming Languages, San Diego, California"} @inproceedings{Shields/popl/98 ,author="Mark Shields and Tim Sheard and Simon {Peyton Jones}" ,title="Dynamic Typing as Staged Type Inference" ,booktitle=popl98 ,month="Jan" ,year="1998" ,pages="289--302" }