Show Campaign in Yugoslavia FI Flares res I Into Full Scale Stale War Say Nazis LONDON Dec 20 W The UPi The Germans Germans Germans Ger Ger- mans confirming that Marshal Erwin Erwin Erwin Er- Er win Rommel's mopping up campaign campaign campaign cam cam- In Y Yugoslavia gosla via had flared into scale full-scale warfare reported Monday that casualties had i been inflicted upon the irregulars lars larsin in eastern Bosnia where Marshal Broz's headquarters announced earlier that the nazis had been thrown upon the defensive The Berlin BerUn described de de- scribed the YU Yugoslav forces as communist bands bands' and said w were re killed in g grim m battles battles' erupting erupting erupt erupt- ing among the snow-crusted snow Bosnian Bosnian Bosnian Bos Bos- nian mountains The war bulletin disclosed that I th the Yugoslavs were fighting with allied air support and with allied supplies ferried across the Adriatic Adri Adri- The Germans said the partisans partisans partisans par par- now were throwing s tanks I into the e battle Among more than vehicles which the Germans said they had destroyed Berlin listed tanks and armored cars Indicating in indicating indicating In- In an increasing flow of heavy material to the men of Marshal Marshal Marshal Mar Mar- Broz The B Broz r o 0 Z said hea heavy vy losses were being inflicted upon th the Germans The main fighting was reported in eastern Bosnia and four areas of Croatia where the patriots went over to the offensive after atter thwartIng thwarting thwarting thwart thwart- ing the nazis nazis' sixth attempt to i wipe out the Yugoslav army pf liberation I Submarine Launched NEW LONDON Conn Dec 20 INS The IriS The Croaker submarine submarine submarine sub sub- marine to be built at the Electric Boat company's Groton yards was wa launched Sunday |