Authors:
ELLISON SF
COCKBURN I
GRILICHES Z
HAUSMAN J
Citation: Sf. Ellison et al., CHARACTERISTICS OF DEMAND FOR PHARMACEUTICAL PRODUCTS - AN EXAMINATION OF 4 CEPHALOSPORINS, The Rand journal of economics, 28(3), 1997, pp. 426-446
Citation: J. Hausman, CUSTOM AND CHERISHING - THE ARTS IN ELEMENTARY-SCHOOLS - STUDIES OF UNITED-STATES ELEMENTARY-SCHOOLS PORTRAYING THE ORDINARY PROBLEMS OF TEACHERS TEACHING MUSIC, DRAMA, DANCE AND THE VISUAL-ARTS IN 1987-1990 -STAKE,RE, BRESLER,L, MABRY,L, ELLIS,N, Journal of curriculum studies, 25(6), 1993, pp. 575-577
Citation: J. Hausman et al., THE EFFECTS OF THE BREAKUP OF AT-AND-T ON TELEPHONE PENETRATION IN THE UNITED-STATES, The American economic review, 83(2), 1993, pp. 178-184