Tod, K. (1989). ANALOGS OF THE PAST HORIZON IN THE ROBINSON-TRAUTMAN METRICS.
芝加哥风格引文Tod, K. ANALOGS OF THE PAST HORIZON IN THE ROBINSON-TRAUTMAN METRICS. 1989.
MLA引文Tod, K. ANALOGS OF THE PAST HORIZON IN THE ROBINSON-TRAUTMAN METRICS. 1989.
警告：这些引文格式不一定是100％准确.