TY - BOOK AU - Gillessen,Klaus AU - Schairer,Werner TI - Light emitting diodes: an introduction T2 - Prentice-Hall International series in optoelectronics SN - 0135365333 U1 - 621.3815/22 PY - 1987/// CY - New Delhi. PB - Prentice/Hall International KW - Light emitting diodes ER -