ABAQUS related

Hi 

    I want to print complete assembeled mass, stiffness matrices  in ABAQUS. I was trying for this. I got some clue for this as follows:

*STEP
etc
etc.
*ELEMENT MATRIX OUTPUT, OUTPUT FILE=FILENAME.EXT, MASS=YES, STIFFNESS=YES, ELSET=ELSET_NAME

*END STEP

........I used the above steps but I could not print the assembeled matrices. Any body knows how to do this in ABAQUS? I want to print the assembeled matrices. Also if I am doing a Buckling analysis of a structure we get geometric stiffness. Is it possible to print complete assemebeled geometric stiffness matrix too???

        Any help file available for this print stuff???

Thanks in advance

Sreenivas