河北土壤钼的含量与分布
孙祖琰, 张国印
Content and Distribution of Molybdenum in Soils of Hebei
Sun Zuyan, Zhang Guoyin
华北农学报 . 1988, (3): 32 -37 .  DOI: 10.3321/j.issn:1000-7091.1988.03.006