TY - `BOOK` AU - Stebbins, Joel TI - Photometric observations of double stars PB - University CY - Urbana PY - 1907 LA - eng SE - 58 S. T2 - The university studies / University of Illinois M1 - 2,5 CN - LS/US 5000 S811 AN - UBHD-67398715 ER -