figure 324 230 1146 938
caption 252 984 1199 1035
equation 1463 1715 2298 1770
equation 1707 795 2298 894
equation 480 1521 992 1572
text 254 1089 1225 1500
text 1324 225 2292 765
text 1324 1789 2294 2958
text 1324 917 2294 1698
text 254 1587 1222 2959