@book{49727,
	author = {ਜੈ ਕ੍ਰਿਸ਼ਨ ਦਾਸ},
	title = {ਰੂਪਦੀਪ ਪਿੰਗਲ},
	publisher = {Punjabi  University},
	year = {2000},
	address = {Patiala}
}