TY - GEN AU - Leyva,J A AU - de Cisneros,J L AU - de Barreda,D G AU - Becerra,A J TI - Design, construction and testing of a system for detection of toxic gases based on piezoelectric crystals SN - 0039-9140 PY - 2012///1002 N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/0039-9140(94)80183-5 ER -