title = {What Can We Do about the Unnecessary Diversity of Notation for Syntactic Definitions?},
author = {Niklaus Wirth}, journal = {Commun. ACM}, number = {11}, pages = {822-823}, url = {http://dblp.uni-trier.de/db/journals/cacm/cacm20.html#Wirth77a}, volume = {20}, year = {1977}, description = {dblp}, date = {2003-11-20},
keywords = {dblp }
::