@book{48337,
	author = {ਨੂਰ, ਸੁਤਿੰਦਰ ਸਿੰਘ},
	title = {ਚਿਹਨ ਵਿਗਿਆਨ},
	publisher = {Punjabi Academy},
	year = {2000},
	address = {Delhi}
}