1. and , 1978. Infra red Sepctroscopy. In: Application in Organic Chemistry. R. E. Krieger Publication Company, New York.
2. and , 1981. Water Hyacinth – the most troublesome weed of the world. Hindasia Publication, New Delhi.
3. 1960. Cellulose and Febrics, ( Ed.) Encylopedia of Spectroscopy. Reinhold, New York, 392–409.