figure 588 831 818 903
figure 523 1040 884 1113
caption 522 359 886 399
figure 526 157 893 281
caption 523 1151 887 1190
caption 523 944 887 984
equation 205 444 467 467
text 523 431 886 793
text 103 474 467 1215
text 104 136 469 443