00493nam a2200181Ia 4500 230714s9999 xx 000 0 und d 9780000000000 eng 621.042 TWI Twidell J. 197987 Renewable Energy Resources 2nd ed. 2014 Taylor And Francis 601 Rs. 1250.00 Twidell J. & Weir T. 197988 O:0467129-Sep-2015B:IN 125827-Aug-2015 MECH 2500 216050 216050