TY - SCIENTIA GEOGRAPHICA SINICA A1 - SUN Han-Qun T1 - Match Relations Between Sunrise and Sunset Hour Angles of Slope Surfaces and Solar Declination Y1 - 2005-05-20 00:00:00.0 JF - SCIENTIA GEOGRAPHICA SINICA JO - SCIENTIA GEOGRAPHICA SINICA SP - 361 EP - 366 VL - 25 IS - 3 UR - {http://geoscien.neigae.ac.cn/EN/10.13249/j.cnki.sgs.2005.03.361} N1 - 10.13249/j.cnki.sgs.2005.03.361 ER -