TY - Journal of Geographical Sciences A1 - Xiaoju NING, Gangjun LIU, Lijun ZHANG, Xiaoyang QIN, Shenghui ZHOU, Yaochen QIN T1 - The spatio-temporal variations of frost-free period in China from 1951 to 2012 Y1 - 2017-02-10 14:41:57.41 JF - Journal of Geographical Sciences JO - Journal of Geographical Sciences SP - 23 EP - 42 VL - 27 IS - 1 UR - {https://www.geogsci.com/EN/10.1007/s11442-017-1362-z} N1 - 10.1007/s11442-017-1362-z ER -