?url_ver=Z39.88-2004&rft_id=1373696&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=+Lengyel+Attila&rft.aufirst=Attila&rft.aulast=Lengyel&rft.date=2002&rft.btitle=MICROCAD+2002%2C+C+Section&rft.isbn=963+661+518+7&rft.title=Principal+component+analysis+(PCA)+and+principal+component+regression+(PCR)+for+evaluation+of+monitoring+data&rft.genre=bookitem