Warning - the bibtex entry below may be invalid: 
Missing 'booktitle' 
@conference{crochet08,
  author = "M. Demirbas, O. Soysal, M. Hussain",
  journal = "Proceedings of the 7th International Conference on Information Processing in Sensor Networks, IPSN",
  title = "TRANSACT: A Transactional Framework for Programming Wireless Sensor/Actor Networks",
  year = "2008",
}