Gas Emission Craters and Mound-Predecessors in the North of West Siberia, Similarities and Differences. - Alexander Kizyakov; Marina Leibman; Mikhail Zimin; Anton Sonyushkin; Yury Dvornikov; Artem Khomutov; Damien Dhont; Eric Cauquil; Vladimir Pushkarev; Yulia Stanilovskaya (Remote. Sens., 2020)