Bogdanov, 1996. VermiCo Press, 1996, 83 p. Document reference Bogdanov, P., 1996. Commercial vermiculture: How to build a thriving business in redworms. VermiCo Press, 1996, 83 p.Web https://www.amazon.fr/dp/0965703908/ref=rdr_kindle_ext_tmbCitation key Bogdanov, 1996Datasheets Earthworm meal