00427nam a2200169Ia 4500 230312s9999 xx 000 0 und d eng 621.402'2 621.402'2 RAJ Rajput R.K. 137180 Heat And Mass Transfer SI Units 2009 S. Chand 864 Rs. 450.00 Rajput R.K. 137181 229.5 113201 113201