Reference

Frank D. Robson, P.J.H. van Bree (1970): Some Remarks on a Mass Stranding of Sperm Whales, Physeter macrocephalus Linnaeus, 1758, near Gisborne, New Zealand, on March 18, 1970 – Mammalian Biology (früher Zeitschrift für Säugetierkunde) – 36: 55 - 60.