Ref. 9:
This reference is in English and discusses the higher rates of pedophilia among homosexual men.  Translated into your language it reads (in part): 

---

The proportions of heterosexual and homosexual pedophiles among sex offenders against children: an exploratory study.
by Freund K, Watson RJ.  Department of Behavioral Sexology, Clarke Institute of Psychiatry, Toronto, Ont., Canada.
Previous investigations have indicated that the ratio of sex offenders against female children vs. offenders against male children is approximately 2:1……the ratio of heterosexual to homosexual pedophiles was calculated to be approximately 11:1. This suggests that the resulting proportion of true pedophiles among persons with a homosexual erotic development is greater than that in persons who develop heterosexually.

---

For a look at the original text in English click here (file size 192 k):