TY - BOOK AU - S. Roser AU - Bastian, U. TI - PPM star catalogue: ppm of 181731 stars north of -2.5 deg.declination for equinox & epoch J-2000.0,vol II - zones SN - 3-86025-000-0 PY - 1991/// CY - Heidelburg PB - Spektrum Akademischer Verlag GmbH KW - PPM Star Catalogue KW - Star Catalogue KW - Stars ER -