Prokopenko, S. L., G. M. Gunja, S. M. Makhno, and P. P. Gorbyk. 1. “Room-Temperature NH<sub>3</sub&gt; Gas Sensors Based on Heterostructures PbS/CdS”. Chemistry, Physics and Technology of Surface 8 (1), 98-103. https://doi.org/10.15407/hftp08.01.098.