TY - JOUR TI - Some scientific aspects of Parramatta Observatory T2 - Journal and proceedings of the Royal Society of New South Wales VL - 145 IS - 2 UR - https://www.biodiversitylibrary.org/part/361675 PB - C. Potter, Acting. Govt. Printer CY - Sydney PY - 2012-12 SP - 111 EP - 127 DO - 10.5962/p.361675 AU - Bhathal, Ragbir S ER -