figure 171 108 826 443
caption 117 461 878 522
equation 224 960 486 1084
equation 215 747 486 847
equation 600 1159 878 1223
equation 640 611 878 638
equation 552 1045 878 1069
text 118 559 485 737
text 510 647 877 1032
text 118 1098 485 1276
text 510 1082 877 1147
text 118 861 485 946
text 510 1234 877 1276
text 510 559 877 602