1. Yu zhi she hui :
Author: Feilipu nao'er zhu ; Bao Yongning yi = Critical mass : how one thing leads to another / Philip Ball.
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Human behavior-- Philosophy.,Physics-- Social aspects.,Sociology.,Human behavior-- Philosophy.,Physics-- Social aspects.,Qun ti she hui xue.,Sociology.
