TY - BOOK ID - 133394183 TI - Amateur astronomer's handbook AU - Sidgwick, John Benson AU - Gamble, R. C. PY - 1980 SN - 0486240347 PB - New York : Dover Publications, DB - UniCat KW - Astronomy KW - Astronomical instruments KW - Amateurs' manuals KW - Amateurs' manuals. UR - https://www.unicat.be/uniCat?func=search&query=sysid:133394183 AB - ER -