Colour Handbook on Fundamentals of EntomologyDevinder Sharma, Amit Kumar Singh, Rakesh Kumar Gupta, Sachin S. Suroshe, Kumar Nag M. · First published 2024Open the Tome
Polystyrene films for calibrating the wavelength scale of infrared spectrophotometers - SRM 1921Devinder Gupta · First published 1995Open the Tome
Polystyrene films for calibrating the wavelength scale of infrared spectrophotometers, SRM 1921Devinder Gupta · First published 1995Open the Tome
