Jalkanen, R. (1995). Needle trace method (NTM) for retrospective needle retention studies on scots pine (Pinus sylvestris L.). Oulun yliopisto.
Citación estilo ChicagoJalkanen, Risto. Needle Trace Method (NTM) for Retrospective Needle Retention Studies on Scots Pine (Pinus Sylvestris L.). Oulu: Oulun yliopisto, 1995.
Cita MLAJalkanen, Risto. Needle Trace Method (NTM) for Retrospective Needle Retention Studies on Scots Pine (Pinus Sylvestris L.). Oulun yliopisto, 1995.
Warning: These citations may not always be 100% accurate.