UFO Magazine Article:

The 1996 FAB Tucano Case 

(Revista UFO, Campo Grande, Brazil)

The article is written by the Brazilian UFO researcher Reginaldo 
de Athayde:

http://www.ufo.com.br/artigos/misterio-na-queda-do-tucano-da-esquadrilha-da-fumaca

An unknown object was filmed while it seemingly knocked a 
Brazilian Air Force (FAB) Tucano airplane out of the sky during 
an air show in Santos, Sao Paulo, Brazil on 16 November 1996.

English translation:

http://translate.google.com/translate?hl=no&sl=pt&tl=en&u=http%3A%2F%2Fwww.ufo.com.br%2Fartigos%2Fmisterio-na-queda-do-tucano-da-esquadrilha-da-fumaca

I also reported on this case on 27 December 2008:

brazilian-air-force-airplane.htm

(3.bp.blogspot.com photo)

UFO Article (Blog):

“DATA-NET & Others: 
1970 was a very bad UFO year ... or WAS it??”

by Dr. Michael D. Swords, 26 October 2011 
(The Big Study)

In this article, Michael D. Swords reports on the Lake Anten, Sweden CE2 case (that also involved physical traces) and several of the best documented worldwide UFO incidents that occurred in 1970:

http://thebiggeststudy.blogspot.no/2011/10/data-net-others-1970-was-very-bad-ufo.html

The Lake Anten UFO incident occurred on the night of 29/30 August 1970.

Lake Anten is located 42 kilometres (26 miles) north-east of Gothenburg.

Lake Anten, Sweden (google.com/mw-panoramio)
(google.com/panoramio.com photo)

UFO News Article:

“UFO Sighted by Three – 
It Blinked, Rocked, Then Glowed Red”,

12 October 1976 
(The Daily Union Democrat, Sonora, California)

Three Tuolumne County residents sighted a UFO near Highway 4 and Lake Tulloch on 3 October 1976, at 8:30 p.m., according to the article:

http://news.google.com/newspapers?id=KP1YAAAAIBAJ&sjid=70UNAAAAIBAJ&pg=1035,825773

http://news.google.com/newspapers?id=KP1YAAAAIBAJ&sjid=70UNAAAAIBAJ&pg=2986,841690 (Page 4)

Lake Tulloch is located 19 kilometres (12 miles) south-west of Sonora, California.

NOTE: The newspaper date is 12 October 1976.

Lake Tulloch, California (1.bp.blogspot.com)
(1.bp.blogspot.com photo)