An Article in a Web Magazine. Provide the author name, article name in quotation marks, title of the Web magazine in italics, publisher name, publication date, medium of publication, and the date of access. Remember to use n.p. if no publisher name is available and n.d. if no publishing date is given.
The majority of viruses have capsids with either helical or icosahedral structure. Some viruses, such as bacteriophages, have developed more complicated structures due to constraints of elasticity and electrostatics.
Dental caps are dental crowns are made from the same porcelain material. Two different types of porcelain materials can be used in this regard; the felspathic porcelain and the pressed ceramic porcelain. The felspathic porcelain is the oldest form of material being used; it has been around for more than 20 years now.