Physics Letters A
Physics Letters A > 2009 > 373 > 8-9 > 801-803
Physics Letters A > 2009 > 373 > 8-9 > 894-900
Physics Letters A > 2009 > 373 > 8-9 > 821-825
Physics Letters A > 2009 > 373 > 8-9 > 832-837
Physics Letters A > 2009 > 373 > 8-9 > 847-850
Physics Letters A > 2009 > 373 > 8-9 > 862-866
Physics Letters A > 2009 > 373 > 8-9 > 851-855
Physics Letters A > 2009 > 373 > 8-9 > 804-806
Physics Letters A > 2009 > 373 > 8-9 > 811-816
Physics Letters A > 2009 > 373 > 8-9 > 807-810
Physics Letters A > 2009 > 373 > 8-9 > 885-889
Physics Letters A > 2009 > 373 > 8-9 > 856-861
Physics Letters A > 2009 > 373 > 8-9 > 871-873
Physics Letters A > 2009 > 373 > 8-9 > 826-831
Physics Letters A > 2009 > 373 > 8-9 > 867-870
Physics Letters A > 2009 > 373 > 8-9 > 838-843
Physics Letters A > 2009 > 373 > 8-9 > 817-820
Physics Letters A > 2009 > 373 > 8-9 > 874-878
Physics Letters A > 2009 > 373 > 8-9 > 844-846