TY - BOOK ID - 133645022 TI - Transits PY - 1989 SN - 0943396255 PB - Richmond, Va. : Willmann-Bell, DB - UniCat KW - Mercury (Planet), Transit of. KW - Venus (Planet), Transit of. UR - https://www.unicat.be/uniCat?func=search&query=sysid:133645022 AB - ER -