Referee's report by Ralph Howard Fowler, on a paper 'The impulse-energy tensor of material particles' by T S Chang Sectional Committee: Mathematics Recommended for publication in the 'Proceedings of the Royal Society of London'. Contains extra question - 'Is there any information contained in the paper which likely to be of value to the enemy?' Referee replies no. [Published in the 'Proceedings of the Royal Society of London'] No received date. [1943]