TY - BOOK AU - Norus'is, M. J. (Marija J.) TI - SPSS 6.1 guide to data analysis SN - 0134370546 AV - HA32 PY - 1995///? CY - Englewood Cliffs, New Jersey PB - Prentice Hall KW - Social sciences KW - Statistical methods KW - Computer programs KW - SPSS (Computer file) N1 - Includes bibliographical references (p. 571) and index ER -