TY - BOOK TI - The critical mass in collective action : a micro-social theory AU - Marwell, Gerald, 1937-. AU - Oliver, Pamela. SN - 0521308399 (hardback) PB - Cambridge University Press PP - Cambridge [England] ; New York, NY, USA : Cambridge University Press, 1993 (2007 printing). PY - 1993 UR - https://library.korea.ac.kr/detail/?cid=CAT000045838379&ctype=m