Text this: STUDY OF LEAD-FREE PYROELECTRIC CERAMICS FOR INFRARED SENSORS

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/ //---`'  / //\ \\ | || | ||  | / \ || | '--' || 
\ \\___   |  ___  ||| \\_/ ||  | \_/ || | .--. || 
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  `----`  `-`   `-`   `---`     `---`   `-`  `-`