IWTO-50-1994 - The Measurement of dimensional stability and hygral change in woven fabrics
Along with this individual IWTO Test Method you also get free access to the following documents which you need to download via this link:
IWTO-0 Introduction
IWTO-0 Appendix A
IWTO-0 Appendix B
IWTO-0 Appendix C
IWTO-0 Appendix D
IWTO-0 Appendix E
Click here to access the IWTO-0 documents for your own reference.