Spain
1968 April 23 - May 3
No. 170
Música hippy: Frank Zappa y The Mothers Of Invention
By Luis Bollar, pp 27-28
J.Marcote: "Up to now it's the very first reference I've found in Spanish magazines about FZ and MOI. It's from a 12-page article by Luis Bollar about hippie movement and related rock groups."
Source: Javier Marcote