Asas pemisahan horizontal dalam pemanfaatan ruang bawah tanah berdasarkan Hukum Pertanahan Indonesia : tinjauan yuridis Putusan Mahkamah Agung Nomor 740K/Pdt/2009, No. 292 PK/PDT/2009, No. 2030K/Pdt/2003 = Horizontal separation principle in space utilization underground Indonesia based on land : Law Judicial Review Decision of The Supreme Court No. 740K/Pdt/2009, 292 PK/PDT/2009, No. 2030K/Pdt/2003 (Fakultas Hukum Universitas Indonesia, 2013)