figure 461 1379 1181 1744
caption 386 1777 1265 1898
equation 524 659 1259 909
equation 1345 371 2194 507
equation 443 2567 1259 2695
text 379 335 1251 631
text 385 1943 1260 2545
text 382 935 1255 1339
text 1315 596 2196 2691