]]>http://www.library.kct.ac.in/cgi-bin/koha/opac-detail.pl?biblionumber=108993Condensate Sensing Drain valve System using Infared Sensor ISBN
http://www.library.kct.ac.in/cgi-bin/koha/opac-detail.pl?biblionumber=171545
By "Naveen Kumar (P), Premith (U), Ravikumar (R)".
2003