TY - JOUR TI - What is new about the new comet yanaka (1988r)? PY - 1993 AU - Greenberg, J M AU - Singh, Patan Deen AU - Almeida, Amaury Augusto de T2 - Astrophysical Journal. Letters DO - 10.1086/186992 UR - https://doi.org/10.1086/186992 PP - Chicago VL - 414 IS - 1 pt. 2 SP - l45-148 SP - Se 1993 ER -