Raudsepp, Lennart; Päll, Peep (November 2006). "The Relationship between Fundamental Motor Skills and Outside-School Physical Activity of Elementary School Children". Pediatric Exercise Science. 18 (4): 426–35. doi:10.1123/pes.18.4.426. PMID39152604.
Utesch, T.; Dreiskämper, D.; Strauss, B.; Naul, R. (1 January 2018). "The development of the physical fitness construct across childhood". Scandinavian Journal of Medicine & Science in Sports. 28 (1): 212–19. doi:10.1111/sms.12889. ISSN1600-0838. PMID28376240. S2CID5276116.
Raudsepp, Lennart; Päll, Peep (November 2006). "The Relationship between Fundamental Motor Skills and Outside-School Physical Activity of Elementary School Children". Pediatric Exercise Science. 18 (4): 426–35. doi:10.1123/pes.18.4.426. PMID39152604.
Utesch, T.; Dreiskämper, D.; Strauss, B.; Naul, R. (1 January 2018). "The development of the physical fitness construct across childhood". Scandinavian Journal of Medicine & Science in Sports. 28 (1): 212–19. doi:10.1111/sms.12889. ISSN1600-0838. PMID28376240. S2CID5276116.
Utesch, T.; Dreiskämper, D.; Strauss, B.; Naul, R. (1 January 2018). "The development of the physical fitness construct across childhood". Scandinavian Journal of Medicine & Science in Sports. 28 (1): 212–19. doi:10.1111/sms.12889. ISSN1600-0838. PMID28376240. S2CID5276116.
Utesch, T.; Dreiskämper, D.; Strauss, B.; Naul, R. (1 January 2018). "The development of the physical fitness construct across childhood". Scandinavian Journal of Medicine & Science in Sports. 28 (1): 212–19. doi:10.1111/sms.12889. ISSN1600-0838. PMID28376240. S2CID5276116.