1. Indian Standard Specification for protective helmets for scooters and motorcycle riders (Second revision), IS: 4151-1982;BIS,1982
2. Two-wheeler injuries in India: a study of crash victims hospitalized in a neurosurgery ward;Mishra;Accid Anal Prev,1984
3. The Indian road user and the Motor Vehicles Act 1988;Mohan,1989
4. Helmet and head injury study of crash involved motorcyclists in Delhi;Mohan,1984
5. Safety assessment or motorcycle helmets being sold in Delhi;Mohan,1992