[CWB] s-attributes

[leontyna bratankova]

Hello!
I'm new to CWB. I'd need a help in delimiting my query to a particular
portion of my corpus defined by a specific structural attribute.
My s-attribute is <p_monthstudy> and it has got different values (eg.
<p_monthstudy=1> or  <p_monthstudy=20>).
I'd like to extract my query from a restricted portion of the corpus,
eg. <p_monthstudy=1-7>.
How to formulate such request?
Thank you very much for your answer.
Best regards,
Leontyna
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