caption 509 287 878 331
equation 511 582 896 649
table 509 101 878 274
equation 511 391 896 457
equation 118 140 486 517
equation 171 911 486 1150
text 510 658 878 1276
text 118 526 485 883
text 118 1160 485 1276
text 510 466 877 555
text 510 362 770 382
text 136 108 455 128