PRINCIPES FONDAMENTAUX DE LA TECHNIQUE DE LUTTE CONTRE LE BRUITKOYASU M.1977; J. SOC. INSTRUM. CONTROL ENGRS; JAP.; DA. 1977; VOL. 16; NO 5; PP. 407-418; BIBL. 21 REF.Article

A DEVELOPMENTAL STUDY IN HYPOTHESIS-TESTING PROCESS DURING CONCEPT IDENTIFICATION TASK: PICTORIAL VERSUS VERBAL PRESENTATION.KOYASU M.1976; PSYCHOLOGIA; JAP.; DA. 1976; VOL. 19; NO 3; PP. 139-148; BIBL. 16 REF.Article

Developments in the standardization of methods for the measurement and evaluation of noise in Japan = Développement de la standardisation des méthodes de mesure et d'évaluation du bruit au JaponKOYASU, M.Journal of the Acoustical Society of Japan. E. 1987, Vol 8, Num 6, pp 223-234, issn 0388-2861Article

EVALUATION OF THE DEGREE OF DIFFUSENESS IN REVERBERATION ROOMS BY CROSS CORRELATION TECHNIQUE.KOYASU M; YAMASHITA M.1976; BULL. KOBAYASI INST. PHYS. RES.; JAP.; DA. 1976; VOL. 18; NO 1; PP. 1-10; BIBL. 7 REF.Serial Issue

EXPERIMENTAL STUDY ON NOISE REDUCTION CHARACTERISTICS OF EXHAUST CHAMBER FOR STATIONARY ENGINE.ITO M; KOYASU M.1976; BULL. KOBAYASI INST. PHYS. RES.; JAP.; DA. 1976; VOL. 18; NO 2; PP. 1-10; BIBL. 3 REF.Serial Issue

Method for measurement of vibromotive force generated by machinory and equipment installed in buildingsHIRAMATSU, T; HOKANA, H; KOYASU, M et al.Journal of the Acoustical Society of Japan. E. 1996, Vol 17, Num 4, pp 203-210, issn 0388-2861Article

Experimental study on vibration reduction by isolated railwayKAWAHARAZUKA, T; HIRAMATSU, T; OHKAWA, H et al.International congress on noise control engineering. 1996, pp 1549-1552, isbn 1-873082-91-6, 6VolConference Paper