Fig. 4

Pattern distribution of soot and GSR particles: In the x-axis scale: (A_.38SME), (B_.38SME), (C_9SME) and (D_9SME) (A_.38SME), (B_.38SME), (C_9SME) and (D_9SME). In the y-axis scale: shooting distances of a 21, b 30, c 40, d 45and e 50 cm