00440nam a22001697a 4500 330010 20260812101649.0 260812b sa ||||| |||| 00| 0 eng d J 333.79 UBEL 3228 151275 UBELACKER ERICH Energy 1st Ed. New Delhi Tessloff Sterling Publishers 2009 47 pages Picture Illustrations 28 cm ddc BOOK 190 Dudu Mondlane 190 Dudu Mondlane 805614 805613