Monitoring environmental performance of the forestry supply chain using RFID. - Anders Björk; Martin Erlandsson; Janne Häkli; Kaarle Jaakkola; Åsa Nilsson; Kaj Nummila; Ville Puntanen; Antti Sirkka (Comput. Ind., 2011)

High Frequency and Ultrahigh Frequency Radio Frequency Identification Passive Sensor Transponders for Humidity and Temperature Measurement Within Building Structures. - Pekka Pursula; Ilkka Marttila; Kaj Nummila; Heikki Seppä (IEEE Trans. Instrum. Meas., 2013)