Toshio Ootaka books & textbook
Genba de yakudatsu kikai sekkei no kihon to shikumi.
Shuwashisutemu. /2013-08-01 Tankobon Hardcover
isbn-10: 4798038792 / isbn-13: 9784798038797
Tokoton yasashi kaitei shigen no hon.
Nikkankogyoshinbunsha. /2013-06-01 Tankobon Hardcover
isbn-10: 4526070912 / isbn-13: 9784526070914
