Indian Standards Institution. (1976). Indian Standard: Specification for Rubber Closures, Pharmaceutical. Indian Standards Institution.
Παραπομπή Chicago StyleIndian Standards Institution. Indian Standard: Specification for Rubber Closures, Pharmaceutical. N.Delhi: Indian Standards Institution, 1976.
Παραπομπή MLAIndian Standards Institution. Indian Standard: Specification for Rubber Closures, Pharmaceutical. Indian Standards Institution, 1976.
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