TY - BOOK TI - Pension mathematics with numerical illustrations AU - Winklevoss, Howard E. SN - 0256018863 PB - Published for the Pension Research Council, Wharton School, University of Pennsylvania by R. D. Irwi PP - Homewood, Ill. : Published for the Pension Research Council, Wharton School, University of Pennsylvania by R. D. Irwin, 1977. PY - 1977 UR - https://library.korea.ac.kr/detail/?cid=CAT000045759123&ctype=m