	Authors	Year	Title
	Gupta & Erben	1983	A Late Devonian ammonoid faunula from Himachal Pradesh, India. Paläontologische Zeitschrift, 57 (1/2): 93-102, fig.1-6; Stuttgart.
	Talent, Brock & Engelbretsen	1989	Himalayan Palaeontology Database Polluted by Recycling and Other Anomalies. Journal Geological Society of India, 34: 575-586.