Inventions

Bibliografiske detaljer
Andre forfattere:	Dash, Sharmistha, Datta, Neeta, Kapur, Madhvi
Format:	Bog
Udgivet:	New Delhi, India Learners Press (P) Ltd. c.1999.
Serier:	(What?, which?, why? how? when? series)
Fag:	Inventions > History.