More info.
http://www.national.com/ds/DC/ADC0801.pdf
http://www.pro-face.com/product/logi/logi/built_face_h.htm
http://www.picotech.com/applications/pt100.html
http://www.searcheng.co.uk/selection/control/Articles/useful/pt100.htm
http://www.ntb.ch/Pubs/sensordemo/pdf/NTB_03_PT100.pdf
http://www.omega.com/temperature/Z/pdf/z036-040.pdf
http://www.maxim-ic.com/appnotes.cfm/appnote_number/3450
http://www.rosemount.com/document/pds/4800_00n.pdf
http://www.franklin-electric.com/CatalogSubmersible/PT100Sensors.aspx
http://de.wikipedia.org/wiki/Pt100
http://www.elis.ugent.be/ELISgroups/tfcg/student/IEM/DS%20pt100.pdf
http://www.cientificosaficionados.com/TBO/medidores%20vacio/medidor%20de%20vacio.htm
http://www.polymer.com.cn/pt100.htm
http://www.laney.co.uk/html/Downloads/Services/PT100.pdf