TY - BOOK AU - Caristi,Anthony J. TI - Electronic telephone projects SN - 8176565695 U1 - 621.386 22 PY - 1989/// CY - New Delhi PB - BPB Publications KW - Electrical & electronics engineering KW - Telephone- Amateurs' manuals KW - Electronics- Amateurs' manuals N1 - EEE ER -