Andrei Bourchtein Semi-Lagrangian Semi-implicit Time Splitting Two Time Level Scheme for Hydrostatic Atmospheric Model. 195-202 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3401&spage=195 2004 conf/naa/2004 NAA db/conf/naa/naa2004.html#Bourchtein04