BibTex format
@article{Rusak:1990,
author = {Rusak, B and Robertson, HA and Wisden, W and Hunt, SP},
journal = {Science},
pages = {1237--1240},
title = {Light pulses that shift rhythms induce gene expression in the suprachiasmatic nucleus},
url = {http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=2112267},
volume = {248},
year = {1990}
}