@article{张旭昆:13, author = {张旭昆}, title = {试析利他行为的不同类型及其原因}, publisher = {浙江大学学报(人文社会科学版)}, year = {2005}, journal = {浙江大学学报(人文社会科学版)}, volume = {35}, number = {4}, eid = {13}, numpages = {0}, pages = {13}, keywords = {
利他行为;软利他;硬利他;有限硬利他;无限硬利他;多层竞争;适者生存
}, url = {https://www.zjujournals.com/soc/CN/abstract/article_8992.shtml}, doi = {} }