SALEH R YANNI,MICHAELSON R CHAELES,SUCIU E NAUSICAA,et al.Process for manufacturing dialkyl carbonates from urea and alcohol:WO,95173669[P].1995.

• 孙予罕；魏伟；王谋华；等.；一种用尿素和甲醇合成碳酸二甲酯的方法:中国；1431190[P]