@book{9902,
	author = {Nadita Dass (ਨੰਦਿਤਾ ਦਾਸ)},
	title = {Biography of the great scientist Charles Darwin (ਮਹਾਨ ਵਿਗਿਆਨੀ ਚਾਰਲਸ ਡਾਰਵਿਨ ਜੀਵਨ)},
	publisher = {Piples Force Bagraddi Punjab},
	year = {2008},
	address = {Punjab}
}